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107 QuestionsShow answers
Question 1
SURVEY
60 seconds
Q. Particles in an atom that are neutral and have NO charge are
answer choices
negatrons
electrons
neutrons
protons
Question 2
SURVEY
30 seconds
Q. The symbol for Carbon is
answer choices
6
12.011
C
Ca
Question 3
SURVEY
60 seconds
Q. All matter is made of
answer choices
energy
atoms
air
chemistry
Question 4
SURVEY
60 seconds
Q. What is the smallest?
answer choices
worm
molecule
galaxy
atom
Question 5
SURVEY
60 seconds
Q. What is the atomic number?
answer choices
the number of protons
the number of protons and neutrons
the number of neutrons
the number of protons and electrons
Question 6
SURVEY
60 seconds
Q. What are the 3 subatomic particles that make-up the atom?
answer choices
protons, neutrons, and isotopes
neutrons, isotopes, and electrons
positives, negatives, and electrons
protons, neutrons, and electrons
Question 7
SURVEY
30 seconds
Q. What does the nucleus of an atom contain?
answer choices
Electrons and neutrons
Protons and neutrons
Neutrinos and positrons
DNA and RN
Question 8
SURVEY
60 seconds
Q. What is the atomic number?
answer choices
the number of protons
the number of protons and neutrons
the number of neutrons
the number of protons and electrons
Question 9
SURVEY
45 seconds
Q. How many electrons does a neutral carbon atom have?
answer choices
0
2
14
6
Question 10
SURVEY
30 seconds
Q. How many protons are in an atom of carbon?
answer choices
12.01
8
6
14
Question 11
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60 seconds
Q. What element is this?
answer choices
Lithium
Boron
Carbon
Neon
Question 12
SURVEY
45 seconds
Q. What is at the center of every atom?
answer choices
An electron
A compound
A molecule
A nucleus
Question 13
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45 seconds
Q. In an atom, what is the number of protons equal to?
answer choices
The number of electrons.
The number of neutrons.
The number of molecules.
The number of nuclei.
Question 14
SURVEY
30 seconds
Q. The particles with no charge in an atom are the _______.
answer choices
electrons
neutrons
protons
protons and neutrons
Question 15
SURVEY
30 seconds
Q. The positively charged particles of an atom are the ________.
answer choices
electrons
protons
neutrons
protons & neutrons
Question 16
SURVEY
30 seconds
Q. The negatively charged particles of an atom are the ______.
answer choices
electrons
protons
neutrons
protons & neutrons
Question 17
SURVEY
30 seconds
Q. A particle that moves around the nucleus is a(n)...
answer choices
Proton
Neutron
Electron
Quark
Question 18
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30 seconds
Q. The center of an atom that holds protons and neutrons?
answer choices
model
electron
nucleus
neutron
Question 19
SURVEY
60 seconds
Q. What number indicates an electron?
answer choices
1
2
3
4
Question 20
SURVEY
60 seconds
Q. What number indicates the nucleus?
answer choices
1
2
3
4
Question 21
SURVEY
120 seconds
Q. Which element has 31 protons ?
answer choices
Gallium
Germanium
Gadolinium
Polonium
Question 22
SURVEY
45 seconds
Q. What is the mass number?
answer choices
the number of protons
the sum of the number of protons and the number of neutrons in the nucleus of an atom
the number of electrons
the number of neutrons
Question 23
SURVEY
60 seconds
Q. Oxygen’s atomic number is 8. This means that an oxygen atom must have
answer choices
8 valence electrons
8 protons
8 neutrons
a mass number of 8
Question 24
SURVEY
45 seconds
Q. If you want to know which atom an element is, then count the _____
answer choices
protons
neutrons
electrons
nucleons
Question 25
SURVEY
30 seconds
Q. For an atom to be electrically neutral, it must contain the same number of _____
answer choices
protons and neutrons
neutrons and electrons
protons and electrons
nucleons and electrons
Question 26
SURVEY
60 seconds
Q. If an atom contains exactly three protons, then it's an atom of _____
answer choices
lithium
gold
nitrogen
carbon
Question 27
SURVEY
45 seconds
Q.
number of neutrons = _____
answer choices
atomic number - mass number
isotope number - atomic weight
mass number - atomic weight
atomic mass - atomic number
Question 28
SURVEY
30 seconds
Q. In the Bohr model of the atom, what is the maximum number of electrons in the first shell?
answer choices
1
2
6
8
Question 29
SURVEY
30 seconds
Q. In the Bohr model of the atom, what is the maximum number of electrons in the second shell?
answer choices
2
6
8
18
Question 30
SURVEY
30 seconds
Q.
answer choices
Periods
Groups
Question 31
SURVEY
30 seconds
Q.
answer choices
Periods
Groups
Question 32
SURVEY
45 seconds
Q.
answer choices
energy levels
valence electrons
protons
neutrons
Question 33
SURVEY
45 seconds
Q.
answer choices
energy levels
valence electrons
protons
neutrons
Question 34
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30 seconds
Q.
answer choices
Same group
Same period
Question 35
SURVEY
30 seconds
Q.
answer choices
Group 1
Group 17
Group 2
Group 18
Question 36
SURVEY
30 seconds
Q.
answer choices
Group 1
Group 17
Group 18
Group 2
Question 37
SURVEY
30 seconds
Q.
answer choices
Metals
Nonmetals
Metalloids
noble gases
Question 38
SURVEY
30 seconds
Q.
answer choices
Metals
Nonmetals
Metalloids
noble gases
Question 39
SURVEY
30 seconds
Q.
answer choices
Metals
Nonmetals
Metalloids
noble gases
Question 40
SURVEY
30 seconds
Q.
answer choices
Metals
Nonmetals
Metalloids
noble gases
Question 41
SURVEY
30 seconds
Q.
answer choices
Metals
Nonmetals
Metalloids
noble gases
Question 42
SURVEY
30 seconds
Q.
answer choices
Metals
Nonmetals
Metalloids
noble gases
Question 43
SURVEY
30 seconds
Q. mixtures
answer choices
Metals
Nonmetals
Metalloids
Question 44
SURVEY
30 seconds
Q. A vertical column is called...
answer choices
group
tower
period
crew
Question 45
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30 seconds
Q. The number at the bottom of each square on the periodic table is the ...
answer choices
atomic number
atomic mass
chemical symbol
element name
Question 46
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30 seconds
Q. What is the chemical symbol for Lithium?
answer choices
H
He
Li
N
Question 47
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30 seconds
Q. Most of the elements on the periodic table are classified as _____.
answer choices
Metals
Nonmetals
Metalloids
Periods
Question 48
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30 seconds
Q. This class of elements are sometimes called "semiconductors."
answer choices
Metals
Nonmetals
Metalloids
Groups
Question 49
SURVEY
45 seconds
Q. What section is the least reactive?
answer choices
yellow
red
dark blue
orange
Question 50
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30 seconds
Q. In what section would Transition Metals be found?
answer choices
orange
light blue
blue
white
Question 51
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30 seconds
Q. What are the first two elements on the periodic table?
answer choices
hydrogen and helium
hydrogen and lithium
hydrogen and carbon
nitrogen and helium
Question 52
SURVEY
30 seconds
Q. Elements on the left side of the periodic table are
answer choices
metals
nonmetals
metalloids
noble gases
Question 53
SURVEY
120 seconds
Q. The atoms along the staircase are called
answer choices
metals
nonmetals
metalloids
noble gases
Question 54
SURVEY
60 seconds
Q. Which elements have the most similar chemical properties?
answer choices
K and Na
K and Ca
K and Cl
K and S
Question 55
SURVEY
30 seconds
Q. Nonmetals are located in what section of this periodic table?
answer choices
Blue
Yellow
Pink
Question 56
SURVEY
60 seconds
Q. A ___________ is an arrangement of elements in columns
answer choices
columns
rows
periodic table
electron shell
Question 57
SURVEY
30 seconds
Q. Which element is not a metal?
answer choices
H
Re
Al
B
Question 58
SURVEY
30 seconds
Q. Elements in a ..................have similar chemical properties.
answer choices
period
group
row
Question 59
SURVEY
30 seconds
Q. The simplest substance is..?
answer choices
Carbon
An element
Water
A simple compound
Question 60
SURVEY
30 seconds
Q. How many electrons does Oxygen need to fill its outer shell?
answer choices
3
4
1
2
Question 61
SURVEY
30 seconds
Q. How many Valance electrons does Iodine Have?
answer choices
6
16
7
17
Question 62
SURVEY
30 seconds
Q. The period for Bromine is ___________.
answer choices
3
2
4
Question 63
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30 seconds
Q. Beryllium is in group number______.
answer choices
Group 2
Group 3
Group 4
Group 7
Question 64
SURVEY
30 seconds
Q. The periodic table has __ periods.
answer choices
18
8
2
7
Question 65
SURVEY
30 seconds
Q. An element's identity is determined by the number of
answer choices
electrons.
protons.
neutrons.
valence.
Question 66
SURVEY
30 seconds
Q. Group 18 elements are known as the _____ _____ and have full valence shells.
answer choices
royal gases.
supreme solids.
noble gases.
legit liquids.
Question 67
SURVEY
60 seconds
Q. Which elements have the most similar chemical properties?
answer choices
K and Na
K and Ca
K and Cl
K and S
Question 68
SURVEY
30 seconds
Q. What period and group is Silver (Ag)?
answer choices
Period 2, Group 1
Period 3, Group 16
Period 5, Group 11
Period 2, 14
Question 69
SURVEY
30 seconds
Q. The elements in this group have 5 valence electrons and include elements N, P, and As.
answer choices
Group 5
Group 1
Group 18
Group 15
Question 70
SURVEY
30 seconds
Q. The elements in this group only have 1 valence electron and include Li, Na, and K.
answer choices
Group 11
Group 1
Group 3
Question 71
SURVEY
30 seconds
Q. Which of the following is not a property of metals?
answer choices
brittle
malleable
lustrous
conductive
Question 72
SURVEY
30 seconds
Q. The periodic table has __ groups.
answer choices
8
7
18
2
Question 73
SURVEY
900 seconds
Q. How many electrons do atoms need to be stable?
answer choices
1
2
6
8
Question 74
SURVEY
45 seconds
Q. Sand and gravel may be separated from each other through using..
answer choices
a filter funnel
a sieve
an evaporating basin
a distillation
Question 75
SURVEY
45 seconds
Q. Which one of the following techniques would best be used to separate soil and water?
answer choices
Decanting
distillation
Filtration
Chromatography
Question 76
SURVEY
45 seconds
Q. Which one of the following solids is insoluble in water?
answer choices
sugar
sand
copper sulfate
salt
Question 77
SURVEY
45 seconds
Q. Sodium chloride can be separated from rock salt by first adding water to the mixture to dissolve the sodium chloride. The separation then takes place in two stages:
answer choices
evaporation followed by filtration
distillation followed by decanting
filtration followed by evaporation
filtration followed by decanting
Question 78
SURVEY
45 seconds
Q. Two or more substances mingled together, but not chemically combined are known as a
answer choices
residue
solution
distillate
mixture
Question 79
SURVEY
45 seconds
Q. The separation technique that involves heating a solution until the liquid changes into a gaseous state, leaving behind a solid is known as
answer choices
decanting
evaporation
loading
chromatography
Question 80
SURVEY
45 seconds
Q. In a coffee machine, the ground coffee is separated from the coffee solution by using..
answer choices
sand paper
filter paper
toilet paper
tissue paper
Question 81
SURVEY
45 seconds
Q. Which one of the following would you use to separate sand from iron filings?
answer choices
a bar magnet
filter paper
chromatography paper
alum
Question 82
SURVEY
45 seconds
Q. Which one of the following is NOT a mixture?
answer choices
Sugar
Paint
Crude oil
Air
Question 83
SURVEY
30 seconds
Q. When different gases are mixed together to form air there is
answer choices
chemical reaction
decomposition
no physical reaction
no chemical reaction
Question 84
SURVEY
30 seconds
Q. Iron fillings can be separated from iron and Sulphur mixture by
answer choices
sedementation
heating
magnetic attraction
seiving
Question 85
SURVEY
180 seconds
Q. Water and Kool-Aid are mixed together. Hot water, coffee and sugar are mixed together. Which substance is the solvent in both?
answer choices
Water
Coffee
Kool-aid
Sugar
Question 86
SURVEY
180 seconds
Q. All are solutes except
answer choices
sugar
pepper
salt
powdered chocolate
Question 87
SURVEY
30 seconds
Q. What is a substance that is dissolved in another substance?
answer choices
solution
solute
solvent
compound
Question 88
SURVEY
30 seconds
Q. To separate a mixture of salt and water what separation tool/method is used?
answer choices
Filter
Screen
Magnet
Evaporation
Question 89
SURVEY
30 seconds
Q. If you spilled nails in a sandbox, what separation tool/method could you use to clean out the sandbox so it would be safe for children to play in?
answer choices
Filter
Screen
Magnet
Evaporation
Question 90
SURVEY
60 seconds
Q. compounds are chemically bounded together
answer choices
False
true
I don't know?
Question 91
SURVEY
60 seconds
Q. Can an element be broken down into a simpler substance
answer choices
yes
No
Question 92
SURVEY
60 seconds
Q. Are there any compounds on the periodic table
answer choices
yes there are many
no because only elements are on the periodic table
I think they are?
Question 93
SURVEY
30 seconds
Q. Which one has more than one type of atom in it
answer choices
Element
Compound
Question 94
SURVEY
30 seconds
Q. which one only has one type of atom In it.
answer choices
Element
compound
Question 95
SURVEY
30 seconds
Q. Is salt (NaCI) a compound or a element
answer choices
Compound
element
Question 96
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30 seconds
Q. which one can be found on the periodic table
answer choices
Compound
Element
Question 97
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60 seconds
Q.
answer choices
1
2
3
4
Question 98
SURVEY
30 seconds
Q.
answer choices
1
2
3
4
Question 99
SURVEY
120 seconds
Q. How many elements are represented in the compound? Na2CO3
answer choices
1
2
3
4
Question 100
SURVEY
30 seconds
Q. Which of the following an element?
answer choices
Carbonic Acid
Copper
Iron and Copper
Water
Question 101
SURVEY
60 seconds
Q. What is made up two or more elements that are chemically combined?
answer choices
Element
Mixture
Compound
Solids
Question 102
SURVEY
30 seconds
Q. How is a compound different from a mixture?
answer choices
Solids, liquids, and gases can form compounds
Each substance in a compound loses its characteristic properties
Question 103
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30 seconds
Q. A combination of substances that are not chemically combined is called a(n)____________.
answer choices
mixture
compound
physical
Question 104
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30 seconds
Q. Mixtures are separated through ___________changes.
answer choices
mixture
compound
physical
Question 105
SURVEY
10 seconds
Q. This picture represents which of the following?
answer choices
element
compound
mixture
Question 106
SURVEY
30 seconds
Q. This picture represents which of the following?
answer choices
element
compound
mixture
Question 107
SURVEY
30 seconds
Q. This picture represents which of the following?