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- 1. Multiple ChoiceAlkali metals are found in which group of the periodic table?Group 1Group 2Group 7group 8
- 2. Multiple ChoiceWhich of the following is the most reactive in water?LithiumSodiumPotassium
- 3. Multiple ChoiceWhat is formed when sodium reacts with water?sodium oxide and hydrogensodium hydroxide and hydrogensodium hydroxide and oxygensodium hydroxide and carbon dioxide
- 4. Multiple ChoiceWhat is the symbol equation for the reaction between sodium hydroxide and water?2Na + 2H2O → 2NaOH + H2Na + H2O → NaOH + HNa + H20 → NaCl + CO22Na + 2H2O → 2NaH2 + O2
- 5. Multiple ChoiceWhich of the following statements is true?In a chemical reaction atoms are createdIn a chemical reaction atoms are destroyedIn a chemical reaction the arrangement of the atoms is changedIn a chemical reaction the arrangement of the atoms remains the same, but the physical state (solid,liquid,gas) changes
- 6. Multiple ChoiceWhich of the following is NOT an alkali metalLiClKCs
- 7. Multiple ChoiceWhat is another name for the elements in group 7?The HalogensThe Noble gasesThe OxidesThe Alkali Metals
- 8. Multiple ChoiceWhich is the lightest alkali metal?AluminiumHydrogenLithiumPotassium
- 9. Multiple ChoiceWhat is the atomic number of lithium1234
- 10. Multiple ChoiceWhen an alkali metal reacts with water, the hydroxide produced dissolves to form and alkaline solution, True or False?TrueFalse
- 11. Multiple Choice
Alkali are so reactive to air they are generally stored in what?
Water
Oil
Vaults
Cotton
a vacuum
- 12. Multiple ChoiceTrue or False: All alkali metals have odd atomic numbers?TrueFalse
- 13. Multiple ChoiceTrue or false: Alkali Metals are so soft they can be cut with a knife?TrueFalse
- 14. Multiple ChoiceAs Alkali Metals atomic number increases their melting point?IncreasesDecreasesStays the same
- 15. Multiple Choice--------------------- is released when alkali metal react with waterHydrogenOxygenMetahneCarbon di oxide
- 16. Multiple Choice
What happens to the reactivity of the alkali metals as you move down the group?
increases
decreases
- 17. Multiple Choice
Which alkali metal is the least reactive?
lithium
sodium
potassium
rubidium
- 18. Multiple Choice
When group 1 metals react with water they produce what kind of solution
neutral
acidic
alkaline
deionized
- 19. Multiple Choice
Which of the following has the greatest density?
Lithium
Sodium
Potassium
Water
- 20. Multiple Choice
Where are the"Halogens" located in periodic table?
In 1A group
In 2A group
In 7A group
In 8A group
- 21. Multiple Choice
Which of the "Halogens" would be able to make the strongest ionic bond with Sodium metal?
Iodine
Bromine
Chlorine
Fluorine
- 22. Multiple Choice
Which "Halogen" would be able to replace Chlorine in Sodium Chloride?
Flourine
Bromine
Iodine
Astatine
- 23. Multiple Choice
What type of ions does Group 7 elements make?
cation (+2)
cation (+1)
anion (-1)
anion (-2)
- 24. Multiple Choice
As you move down the group, halogens' reactivity...
increases
decreases
doesn't change
shows no trend.
- 25. Multiple ChoiceThis group of elements react with metals to form salts. The react so quickly that they occur in nature as compoundsActinidesHalogensAlkali EarthLanthanides
- 26. Multiple Choice
Which of the "Halogens" is found in liquid state at room temperature?
Flourine
Astatine
Iodine
Bromine
- 27. Multiple Choice
What is the mean of the "halogens"?
acid former
salt former
alkali former
non metal former
- 28. Multiple Choice
Which of the "Halogens" has yellowish green color?
Chlorine
Bromine
Flourine
Iodine
- 29. Multiple Choice
Which of the followings is not a use of Chlorine?
Swimming pool cleaner
Drinking water disinfectant agent
Sterilizer for surgeries and medical tools
Beaching fabrics and papers
- 30. Multiple Choice
Which of the "Halogens" is used to manufacture PVC polymer?
Bromine
Flourine
Iodine
Chlorine
- 31. Multiple Choice
What is the volatile mineral acid which is used to clean metals, produce salts and to be used for production of some food and medicine?
HCl
HBr
HF
HI
- 32. Multiple Choice
Which of the following Chlorine salt is used in fertilizers?
BaCl2
AlCl3
NaCl
KCl
- 33. Multiple Choice
Which of the following Halogen Acids is strongest one?
HF
HCl
HBr
HI
- 34. Multiple Choice
Which of the Halogen acids must be kept in plastic or rubber bottles to be stored?
HCl
HI
HBr
HF
- 35. Multiple Choice
Alkali metals react with water to form:
Water and metal hydroxide
Water and metal oxide
Metal hydroxide and oxygen
Metal oxide
- 36. Multiple Choice
What type of reaction is an alkali metal combining with water?
Decomposition
Exothermic
Endothermic
Displacement
- 37. Multiple ChoiceAt room temperature, iodine is a....GasLiquidSolid
- 38. Multiple Choice
The nucleus of which halogen is best at attracting electrons?
fluorine
iodine
bromine
chlorine
- 39. Multiple Choice
As you move down the group, halogens' reactivity...
increases
decreases
doesn't change
shows no trend.
- 40. Multiple Choice
Which statement is true about halogens?
Form covalent compounds with other non-metallic elements
A less reactive halogen will displace a more reactive element form its ionic salt
Form ionic compound with hydrogen
form negative ion of charge -2
- 41. Multiple Choice
The process by which solid iodine particles change directly to gas without first becoming a liquid is called ____.
evaporation
ionization
condensation
sublimation
- 42. Multiple Choice
Fluorine and Chlorine are ____________at room temperature.
gases
liquids
solids
amorphous
- 43. Multiple Choice
Bromine is _____________ at room temperature.
gas
liquid
solid
none
- 44. Multiple Choice
The melting and boiling points of halogens:
decrease down the group
increase down the group
remain constant
none
- 45. Multiple Choice
The atomic number and atomic mass of halogens:
increase down the group
decrease down the group
remains constant
none
- 46. Multiple Choice
Halogens have _________ electrons in their outermost shell.
2
7
8
18
- 47. Multiple Choice
Halogens mean:
water formers
salt formers
acids
bases
- 48. Multiple Choice
Halogens exist in the:
monoatomic state
diatomic state
triatomic state
none
- 49. Multiple Choice
______________is commonly used as an antiseptic and is used to make drinking water safe and to treat swimming pools.
Fluorine
Chlorine
Bromine
Iodine
- 50. Multiple Choice
A displacement reaction involves...
a solution turning brown or yellow.
a less reactive element taking the place of a more reactive element.
a dislocated hip.
a more reactive element taking the place of a less reactive element.
- 51. Multiple Choice
Would a displacement reaction occur for Bromine + Potassium Iodide?
Yes
No
Maybe
- 52. Multiple Choice
Would a displacement reaction occur for Iodine + Potassium Bromide?
Yes
No
Maybe
- 53. Multiple Choice
As you go down the group, how does the boiling point of the halogen elements change?
Increases
Decreases
They're all about the same
- 54. Multiple Choice
Which four numbers a, b, c and d are required to balance the equation?
a Cl2(aq) + b KI(aq) ==> c KCl(aq) + d I2(aq)
2 1 1 2
1 2 2 1
2 1 2 1
1 2 1 2
- 55. Multiple Choice
Which alkali metal is most reactive out of the following
rubidium
potassium
sodium
lithium
- 56. Multiple Choice
How does a group 1 metal atom form an ion?
lose 1 electron
lose 2 electrons
gain 1 electron
gain 2 electrons
- 57. Multiple Choice
Which of the following is NOT a property of group 1 metals?
More dense than water
less dense than water
low melting point
soft
- 58. Multiple Choice
What is the formula of a group 1 metal oxide?
M2O
MO
MO2
Mo
- Answer choicesTagsAnswer choicesTags