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15
×
Isotopes differ in the number of
neutrons
protons
electrons
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15
×
If Beryllium is electrically neutral, how many electrons does it have?
4
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15
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For an atom to have an overall negative charge
electrons were lost
electrons were gained
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15
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How many electrons are in an atom with an atomic number of 50?
50
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15
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If Arsenic has a charge of -3, then how many electrons does it have?
36
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15
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The atomic number represents the number of...
ions
neutrons
electrons
protons
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15
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How do you calculate mass number?
protons + neutrons
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15
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What do these isotopes of carbon all have in common?
atomic number and electrons
protons, atomic number, and mass number
neutrons and mass number
atomic number and neutrons
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lifesaver
Give 25 points!
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fairy
Take points!
5
10
15
20
25
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gift
Win 20 points!
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banana
Go to last place!
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15
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A charge of +2 means you have
more electrons than protons
more protons than electrons
more electrons than neutrons
more protons than neutrons
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boom
Lose 50 points!
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star
Double points!
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gift
Win 25 points!
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thief
Give points!
5
10
15
20
25
15
×
How many protons does Calcium have?
20
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15
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How many neutrons in C-14?
8
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15
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What is the mass number defined as?
the number of protons and electrons
the number of neutrons
the number of protons
the number of protons and neutrons
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seesaw
Swap points!
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seesaw
Swap points!
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gift
Win 20 points!
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lifesaver
Give 15 points!
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15
×
If you want to determine the total number of protons and neutrons in an atom, you can refer to the...
atomic weight
atomic number
ion number
mass number
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