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SUPER
Chemistry
8th -
9thgrade
Sci 9 Unit B REVIEW - Use a periodic table
181 questions
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- 1. Multiple ChoiceIonic bonds form when metals and nonmetals combine.TrueFalse
- 2. Multiple ChoiceIonic bonds involve a transfer of electrons.TrueFalse
- 3. Multiple Choice
Electron sharing occurs in ionic bonding.
TrueFalse - 4. Multiple ChoiceWhat does this symbol warn you about?Oxidizing Material
Gas under pressure
Bottle SafetyCorrosive material
- 5. Multiple ChoiceWhat is an example of sublimation?Ice cream meltingDry ice
- 6. Multiple Choice
Sublimation is a chemical change.
FalseTrue - 7. Multiple Choice
Evaporation is a change of state from
solid to liquid
gas to liquid
liquid into solid
liquid to gas
- 8. Multiple Choice
The opposite of sublimation is
deposition
condensation
evaporation
melting
- 9. Multiple Choice
What process describes a liquid changing to a solid?
DepositionSublimationEvaporationFreezing - 10. Multiple Choice
What process describes a gas changing to a liquid?
DepositionSublimationEvaporationCondensation - 11. Multiple Choice
This is a picture of what happens when dry ice is added to water. The dry ice changes immediately from a solid to a gas.
This is a ...
physical change
chemical change
- 12. Multiple Choice
breaking glass
chemical change
physical change
- 13. Multiple ChoiceIs burning wood a chemical or physical change?chemicalphysical
- 14. Multiple ChoiceIs hammering wood together to build a house a chemical or physical change?chemicalphysical
- 15. Multiple Choice
Is a rusting steel bicycle a chemical or physical change?
chemcialphysical - 16. Multiple ChoiceIs melting butter for popcorn a chemical or physical change?chemicalphysical
- 17. Multiple Choice
Is spoiling food a physical or chemical change?
physical
chemical
- 18. Multiple ChoiceIs mixing lemonade powder with water a physical or chemical change?physicalchemical
- 19. Multiple ChoiceDensity
Physical Property
Chemical Property
- 20. Multiple ChoiceMelting Point
Physical Property
Chemical Property
- 21. Multiple Choice
Explodes when exposed to heat.
Physical Property
Chemical Property
- 22. Multiple ChoiceFlammability
Physical Property
Chemical Property
- 23. Multiple ChoiceFreezing Point
Physical Property
Chemical Property
- 24. Multiple Choice
Sugar dissolves in water.
Physical Change
Chemical Change
- 25. Multiple Choice
Sugar burns and turns black.
Physical Change
Chemical Change
- 26. Multiple Choice
Gold (Au) has a shiny lustre.
Physical PropertyChemical PropertyPhysical ChangeChemical Change - 27. Multiple Choice
Dynamite explodes.
Physical Change
Chemical Change
- 28. Multiple Choice
Copper is ductile.
Physical Property
Chemical Property
Physical Change
Chemical Change
- 29. Multiple ChoiceCan corn be made into plastic?NoYes
- 30. Multiple ChoiceCorn plastic is biodegradable.truefalse
- 31. Multiple Choice
The first person to use the word 'atomos' came from
Greece
Italy
Britain
- 32. Multiple Choice
Alchemists attempted to transform metals into _______.
gold
copper
nickel
steel
- 33. Multiple Choice
What was Dalton's Theory of Matter?
All matter is made up of atoms.
All matter is made up of 4 different elements.
- 34. Multiple Choice
Cl is the symbol for
ChlorineCarbonCalciumCesium - 35. Multiple Choice
What were Aristotle's four parts to his "4 element theory"?
Fire, ice, water, rock
Fire, Water, Air, Earth
Fire, Ocean, Air, Metal
Flame, Sky, Ocean, Earth
- 36. Multiple Choice
Who said that electrons are found in shells around the nucleus?
Dalton
Archimedes
Democritus
Bohr
- 37. Multiple ChoiceWho made the first atomic theory?HerodotusAristotleDaltonDemocritus
- 38. Multiple ChoiceOf the following elements, which one is an alkaline earth metal?NaKBeFe
- 39. Multiple ChoiceWhich of the following categories includes the majority of all known elements?metalloidsliquidsmetalsnonmetals
- 40. Multiple ChoiceOf the following elements, which one is a noble gas?OArClH
- 41. Multiple Choice
To which category of elements does an element belong to if it is brittle and a poor conductor of electricity?
metalloids
nonmetals
metals
- 42. Multiple ChoiceHalogens are good disinfectants. Of the following elements, which one is a halogen?NFeOCl
- 43. Multiple Choice
Which subatomic particle is gained or lost during ionic compound formation?
proton
electron
neutron
- 44. Multiple Choice
During electron transfer involving a metal and nonmetal during ionic compound formation, which of the following is correct?
The nonmetal gains electrons from the metal.The metal gains electrons from the nonmetal.Both gain electrons.Neither gain electrons. - 45. Multiple Choice
Which of the following is the correct IUPAC name of the compound: BaO?
barium oxideberyllium oxidebromine oxygenbarium oxygen - 46. Multiple Choice
Which is the correct formula for the compound: manganese (III) fluoride?
MnFMn3FMnF3Mn3F3 - 47. Multiple ChoiceWhich is the correct formula for the compound formed between beryllium and nitrogen?BeNBe3NBe3N2Be2N3
- 48. Multiple Choice
Which pair of elements is most likely to form a molecular compound?
Mg with Cl
F with Cl
Li with S
Ni with Rn
- 49. Multiple Choice
The element with atomic number 15 has how many electrons?
52815 - 50. Match
Match the subatomic particle to its charge.
Neutron
Positive
Electron
Negative
Proton
Neutral
- 51. Multiple ChoiceProtons and neutrons can be found:Inside the nucleus
In shells
- 52. Multiple Choice
Neils Bohr stated that electrons move in electron
planetsshellscirclestrajectories
- 53. Multiple ChoiceA horizontal row of elements in the periodic table.columngroupperiod
- 54. Multiple Choice
A vertical column in the periodic table with elements that share similar properties.
row
group
period
- 55. Multiple ChoiceElements in a ..................have similar chemical properties.periodgrouprow
- 56. Multiple ChoiceElements that display properties of both metals and nonmetals are calledtransition meals.alkaline earth metals.salts.metalloids.
- 57. Multiple ChoiceWhat is the name of the basic particle from which everything is made?An elementAn atom
A compound
A molecule
- 58. Multiple Choice
Which group of the periodic table is composed of the least reactive elements?
alkali metals
alkaline earth metals
halogens
noble gases
- 59. Multiple Choice
Elements which are all shiny, conduct electricity and heat are called
metal
nonmetal
metalloid
- 60. Multiple Choice
Two elements chemically bonded together will form...
a colloid
a compound
a mixture
a solution
- 61. Multiple Choice
Calcium has properties most similar to which of the following elements?
BariumPotassiumCesiumNitrogen - 62. Multiple ChoiceWho first arranged the periodic table?
Aristotle
Mendeleev
Chadwick
Bohr
- 63. Multiple Choice
Which property did Mendeleev use to arrange his periodic table?
Alphabet
Ion Charge
Atomic MassMetallic Character - 64. Multiple Choice
How many protons are in one atom of Boron (B) ?
351011 - 65. Multiple Choice
How many electrons are in one atom of Bromine (Br) ?
3580511 - 66. Multiple ChoiceWhich element has 31 protons ?GalliumGermaniumGadoliniumPolonium
- 67. Multiple ChoiceWhich element has 4 neutrons ?BerylliumLithium
Sodium
Aluminum
- 68. Multiple ChoiceThe number of protons is equal tothe atomic numberthe number of neutrons
the atomic mass number
the group number
- 69. Multiple ChoiceWhich type of subatomic particles have the LEAST amount of mass?protonselectronsneutronsnucleus
- 70. Multiple Choice
Where is most of the mass in an atom?
protons & electrons in the nucleus
electrons in the shells
protons & neutrons in the nucleus
protons & electrons in the shells
- 71. Multiple Choice
What would be the IUPAC chemical formula for combining Al3+ and Cl-
AlCl3Al3ClAlClAl3Cl3 - 72. Multiple Choicename the following ionic compound: NaFnitrogen fluorinesodium fluoridenitrogen fluoridesodium fluorine
- 73. Multiple ChoiceName the following ionic compound: MgSO4magnesium sulfoxidemagnesium sulfidemagnesium sulfatemagnesium oxide
- 74. Multiple Choice
What is the correct formula for Zinc (II) Bromide?
ZnBr2
ZNBr
ZnBr
Z2Br
- 75. Multiple Choicesodium nitrideNaNO3NaNNaN3Na3N
- 76. Multiple ChoiceBaSO4barium sulfatebarium sulfitebarium sulfur oxidebarium sulfide
- 77. Multiple ChoiceMgSMagnesium sulfideMonomagnesium monosulfideMagnesium monosulfide
- 78. Multiple ChoiceCa3P2Tricalcium DiphosphideCalcium phosphideCalcium Diphosphide
- 79. Multiple ChoiceWrite the formula for copper (I) phosphide?Cu3PCuPCu1PCuP3
- 80. Multiple Choice
What is the formula for iron (III) chloride?
FeCl
FeCl3
FeClO3
Fe3Cl
- 81. Multiple ChoiceName this compound:
CaCO3Calcium carbon oxideCalcium carbonateCalcium carbonateCarbonate calcide - 82. Multiple ChoiceWhat is the correct name for NO?Mononitrogen monoxideNitrogen monoxideMononitrogen dioxideNitrogen oxide
- 83. Multiple ChoiceCarbon dioxideC2O2C20COCO2
- 84. Multiple ChoiceWhat happens when an atom loses an electron?It becomes Negatively ChargedIt remains neutral because the proton also leaves.It becomes Positively ChargedIt stays the same.
- 85. Multiple ChoiceWhere are metals located on the periodic table?BlueGreenRed
- 86. Multiple ChoiceWhere are the nonmetals located on the periodic table?BlueRedGreen
- 87. Multiple Choice
Molecular compound bonds are between...
Metal and Non-metal
Non-metal and Non-metal
Metal and Metal
- 88. Multiple ChoiceIs hydrogen considered a metal or a non-metal?A metalNonmetalMetalloid
- 89. Multiple ChoiceWhich of these compounds is ionic?Carbon dioxideDinitrogen trioxideSilicon tetrachlorideLithium bromide
- 90. Multiple ChoiceWhat is corrosion?
release of oxygen
rusting of metal
- 91. Multiple ChoiceIs this an example of corrosion?YesNo
- 92. Multiple ChoiceWhich is a physical property of metalsreactivitycorrosionmagnetisimrusting
- 93. Multiple ChoiceWhere are the MOST reactive metals located on the periodic table?
Group 1 Alkali metals
Group 2 Alkaline Earth metals
- 94. Multiple Choice
Where are the LEAST reactive elements located on the periodic table?
Group 1
Group 2
Group 17
Group 18
- 95. Multiple Choice
Which is one of the reactants of cellular respiration?
energy
glucose
carbon dioxide
water
- 96. Multiple ChoiceWhat are the reactants in the equation for cellular respiration?
oxygen + lactic acid
carbon dioxide + water
glucose + oxygen
water + glucose
- 97. Multiple ChoiceAnother term for burning is
Respiration
Magnesium oxide
Combustion
Corrosion
- 98. Multiple Choice
True or False: Formation of bubbles is usually evidence of a chemical reaction.
True
False
- 99. Multiple Choice
A chemical reaction in which a compound or element burns by reacting with oxygen is called ...
combination reaction
decomposition reaction
combustion reaction
corrosion reaction
- 100. Multiple ChoiceWhich of the following is an example of a chemical reaction?Water evaporating from a pot on a hot stoveSand being removed from sea water by filtrationA spoonful of sugar dissolving in a glass of water
A white opaque solid forming when two clear liquids are poured together
- 101. Multiple ChoiceWhich of the following is an example of a chemical reaction?A marshmallow turning black when heated over a fireA powder dissolving in water to make lemonadeAn ice cube melting into a puddle of waterSalt crystals being crushed into a powder
- 102. Multiple ChoiceWhich of the following is an example of a physical change?The surface of a copper penny changing color after being in a drawer for yearsMelted butter becoming a solid when placed in the refrigeratorA car rusting when exposed to the air and rainBread toasting
- 103. Multiple ChoiceCaCO3 represents a chemicalSymbolFormulaSubscriptReaction
- 104. Multiple Choice
The substances listed on the left side of a chemical word equation are the
Products
Reactants
- 105. Multiple ChoiceIn chemical reactions, what does the principle of conservation of mass mean?Matter is not created or destroyed.The total mass of the reactants is greater than the total mass of the products.The total mass of the reactants is less than the total mass of the products.Matter is not changed.
- 106. Multiple ChoiceA chemical reaction that absorbs energy in the form of heat is described asendothermicexothermiccombustionunbalanced
- 107. Multiple Choice
Conservation of mass is true ...
only for reactions that take place in open systems.
only for reactions that take place in closed systems.
for reactions in both open and closed systems.
for no reactions at all.
- 108. Fill in the Blank
A solid that forms from 2 transparent solutions during a chemical reaction is called a
- 109. Multiple ChoiceA change in state (ie. melting, boiling, etc.) is always what type of change?
Physical Change
Chemical Change
Exothermic Change
Exothermic Change
- 110. Multiple ChoiceWhen heated, oxygen reacts with copper to form copper oxide:
If this reaction occurs in a sealed container, will the mass of the container and everything in it increase, decrease, or stay the same and why?The mass will stay the same because the number of each kind of atom stays the same.The mass will increase because a new kind of molecule is formed.The mass will decrease because two substances combine to form one substance.More information is needed to tell if the mass will change. - 111. Multiple ChoiceWhat type of reaction is occurring in the diagram? Which response below explains the reason for that type of reaction?Exothermic. Heat is released when the candle (wax) burns.Endothermic. Heat is released when the candle (wax) burns.Exothermic. Heat is taken in when the candle (wax) burns.Endothermic. Heat is taken in when the candle (wax) burns.
- 112. Drop Down
Identify the reactant(s) and product(s) of the reaction.
hydrogen + oxygen are (a)
water is (b)
hydrogen + oxygen
water
reactantsproduct - 113. Multiple ChoiceA boiling pot of water on a stove is what type of systemClosed SystemOpen System
- 114. Multiple ChoiceThis type of system does not release products to the environment...Closed SystemOpen System
- 115. Multiple Choice10 g of a solid chemical reacts with a 10 g of a liquid chemical, the reaction bubbles and changes the color of the liquid. The colored liquid weighs 13 g, what can be concluded?The gas produced from the bubbles weighed 5 gThe bubbles were evidence of 7 g of matter being destroyedThe gas produced weighed 7 gThe gas produced weighed 13 g
- 116. Multiple ChoiceHow many nitrogen atoms are in
Fe(NO3)21236 - 117. Multiple ChoiceHow many iron atoms are in
Fe(NO3)21236 - 118. Multiple ChoiceHow many oxygen atoms are in
Fe(NO3)21236 - 119. Multiple ChoiceA catalyst is a substance thatslows down the rate (speed) of reactionsspeeds up the rate (speed) of reactionincreases the products in a reactiona substance that makes new products
- 120. Multiple ChoiceIf reaction starts with 20g of reactants it should producea total of 40g of productsa total of 10g of productsa total of 80 g of productsa total of 20g of products
- 121. Multiple Choice
In a reaction A + B ----> C, reactant A has 5g and product C has 9g.
How many grams does reactant B have?
4g
5g
9g
14g
- 122. Multiple ChoiceWhat is a closed system?a system where none of the reactants or products are allowed to escapecompounds made of thousands of repeating smaller moleculesthe output, or result of a chemical reactionoccurs when the atoms and molecules of two or more substances rearrange to form new substances
- 123. Multiple ChoiceSugar water is asolutionsuspensioncolloid
- 124. Multiple ChoiceWhat is the difference between a mixture and a compound?compounds are easily taken apartmixtures are easily taken apartmixtures are chemically combinedthere is no difference
- 125. Multiple ChoiceHow many different elements are represented in the compound Na2CO3?1234
- 126. Multiple ChoiceHow many oxygen atoms are in this chemical formula: H3PO4?7 oxygen atoms4 oxygen atoms3 oxygen atoms1 oxygen atoms
- 127. Multiple ChoiceWater is an molecule.truefalse
- 128. Multiple ChoiceH2O is
a pure substance
a mixture
an element
a solution
- 129. Multiple ChoiceAn example of a compound would be
hydrogen gas (H2)
sodium chloride (NaCl)
oxygen gas (O2)
- 130. Multiple Choice
The salad dressing in the picture is a
suspension
solution
pure substance
mechanical mixture
- 131. Multiple ChoiceThe rate of a reaction increases as temperature__________________.
Decreases
Increases
- 132. Multiple ChoiceProducts will form faster if____________the particle size of the reactants are larger.temperature is decreased.concentration of the reactants are increased.the reaction is not stirred.
- 133. Multiple ChoiceA ______________ is a substance that increases the rate of a reaction without being used up during the reaction.catalystproductreactantsolute
- 134. Multiple ChoiceThe ___________ the surface area of the reactants, the faster the reaction rate.largersmaller
- 135. Multiple ChoiceSmaller particle size allows for a _________ surface area to be exposed for the reaction.largersmaller
- 136. Multiple Choice
Grinding a crystal solid into powder increases the rate of reaction due to increased
concentration
surface area
temperature
reactants
- 137. Multiple Choice
A solution is heated on a hot plate and bubbles form. Do you assume a chemical reaction took place?
Yes
No
- 138. Multiple ChoiceWhich of the following slows down the rate of a chemical reaction?Place the reactants in hot waterPlace the products in ice bathPlace the reactants in a ice bathKeep stirring the reactants with a stirring rod
- 139. Multiple Choice
Which factors increase the rate of a reaction?
increasing temperature
increasing concentration
increasing surface area
all of these
- 140. Multiple Choice
See the image for the question.
ABCD - 141. Multiple Choice
Which of the following increases the reaction rate?
less surface area
lower temperature
an inhibitor
increased concentration
- 142. Multiple ChoiceWhich of the following decreases the reaction rate?more surface arealower temperaturea catalystincreased concentration
- 143. Multiple Choice
What is an enzyme?
a catalyst
a microorganism
a product
a reactant
- 144. Multiple Choice
What does this pictogram warn you about?
gases under pressure
fire hazard
explosion or reactivity hazard
may cause less serious health effects
- 145. Multiple Choice
What does this pictogram warn you about?
gases under pressure
fire hazard
explosion or reactivity hazard
may cause less serious health effects
- 146. Multiple Choice
What does this pictogram warn you about?
gases under pressure
fire hazard
explosion or reactivity hazard
may cause less serious health effects
- 147. Multiple Choice
What does this pictogram warn you about?
may cause or suspected of causing serious health effects
oxidizing hazard
organisms or toxins that cause diseases
may cause death or toxicity with short exposure to small amounts
- 148. Multiple Choice
What does this pictogram warn you about?
may cause or suspected of causing serious health effects
oxidizing hazard
organisms or toxins that cause diseases
may cause death or toxicity with short exposure to small amounts
- 149. Multiple Choice
What does this pictogram warn you about?
may cause or suspected of causing serious health effects
oxidizing hazard
organisms or toxins that cause diseases
may cause death or toxicity with short exposure to small amounts
- 150. Multiple Choice
What does this pictogram warn you about?
may cause or suspected of causing serious health effects
oxidizing hazard
organisms or toxins that cause diseases
may cause death or toxicity with short exposure to small amounts
- 151. Multiple Choice
What does this pictogram warn you about?
may cause or suspected of causing serious health effects
may cause less serious health effects
corrosive damage to skin, eyes or metals
may cause death or toxicity with short exposure to small amounts
- 152. Multiple Choice
Protons and neutrons have have approximately the same mass.
true
false
- 153. Multiple Choice
Electrons have almost no mass.
true
false
- 154. Multiple Choice
Mg 2+
has lost 2 protons
has lost 2 electrons
has gained 2 electrons
has gained 2 protons
- 155. Multiple Choice
S 2-
has lost 2 protons
has lost 2 electrons
has gained 2 electrons
has gained 2 protons
- 156. Multiple Choice
Which two elements have the most similar properties?
K & Li
K & Ca
Ca & Sc
Ca & Li
- 157. Multiple Choice
How many neutrons in a nickel atom?
28
29
57
- 158. Multiple ChoiceIf reaction starts with 20g of reactants it should producea total of 40g of productsa total of 10g of productsa total of 80 g of productsa total of 20g of products
- 159. Multiple ChoiceIn the reaction AB-----> A + B reactant AB has 12g and product B has 5g. How many grams should product A have?17g2g7gNone of the above
- 160. Multiple Choice
What are the products in the following chemical equation?
CH4 and 2O2
CO2 and 2H2O
- 161. Multiple Choice24 g of magnesium reacts with 38 g of fluorine to produce _____ g magnesium fluoride62382414
- 162. Multiple ChoiceHow many elements does PbNO3 have?2345
- 163. Multiple Choice
What state of matter is represented in the picture above?
solid
liquid
gas
- 164. Multiple Choice
The ability to hammered into a thin sheet or be bent is
Ductility
Solubility
Density
Malleability
- 165. Multiple Choice
Which chemical formula could this molecule represent?
H2O3
H3O2
H2O4
H2O2
- 166. Multiple ChoiceHow many nitrogen atoms does NH3 have?1234
- 167. Multiple Choice
A reaction that releases heat to the surroundings is
exothermic
endothermic
- 168. Multiple Choice
When a chemical reaction happens and the temperature decreases, then it is an
Endothermic reaction
Exothermic reaction
- 169. Multiple Choice
A reaction happening in an uncovered beaker is a(n)...
open system
closed system
isolated system
individual system
- 170. Labeling
Label the parts of the atom.
answer choiceselectron
proton
neutron
nucleus
- 171. Multiple Choice
Identify the product(s) in this word equation
Sodium
Sodium chloride
Sodium and Chlorine
Sodium and sodium chloride
- 172. Multiple Choice
Magnesium reacts with oxygen to form magnesium oxide. The correct word equation is...
A
B
C
D
- 173. Multiple Choice
Iron (a grey metal) reacts with sulfur (a brittle yellow solid) to produce iron sulfide (a black solid).
- 174. Multiple Choice
In a chemical reaction, 4 grams of sodium must combine with how many grams of chlorine to produce 10 grams of table salt?
4 grams
6 grams
8 grams
10 grams
- 175. Match
Match the following
O2
Reactant
Element
CH4
Reactant
Compound
CO2
Product
Compound
- 176. Multiple Choice
Does the image correctly represent the Law of Conservation of Mass?
yes
no
- 177. Multiple Choice
6 g
10 g
4 g
- 178. Multiple ChoiceA chemical reaction between Hydrogen and Oxygen produces water. If 2g of Hydrogen and 4g of Oxygen react together, how much water is produced?2g4g6gNot enough information to answer
- 179. Multiple Choice
Mg + 2HCl ---> MgCl2 + H2
Which reactant is a compound?
HCl
- 180. Multiple Choice
What is the IUPAC name of this compound?
dipotassium phosphide
potassium monophosphide
dipotassium monophosphide
potassium phosphide
- 181. Multiple Choice
What is the chemical name of this compound?
dinitrogen tetroxide
dinitrogen pentoxide
nitrogen oxide
nitrogen oxygen
- Answer choicesTagsAnswer choicesTags