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5
×
How can you find out the number of neutrons an element has?
the atomic mass minus number of protons
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5
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Where do electrons live?
in shells
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5
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Which element has more protons, helium or carbon?
carbon
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5
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How many electrons does Carbon have?
6
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15
×
How is the atomic number of an element decided?
by number of protons
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5
×
Which two particles does the nucleus consist of?
protons and neutrons
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lifesaver
Give 5 points!
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seesaw
Swap points!
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×
gift
Win 10 points!
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baam
Lose 20 points!
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5
×
Which subatomic particle has no charge?
neutron
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5
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Which particle has a negative charge?
electron
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monster
Reset all scores!
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magnet
Take 25 points!
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rocket
Go to first place!
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banana
Go to last place!
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seesaw
Swap points!
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seesaw
Swap points!
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fairy
Take points!
5
10
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25
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thief
Give points!
5
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25
5
×
O is short for...
oxygen
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5
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True or false. The atomic mass of an element is equal to the number of electrons and protons it has.
false
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5
×
In a periodic table, are groups vertical or horizontal?
vertical
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seesaw
Swap points!
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seesaw
Swap points!
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fairy
Take points!
5
10
15
20
25
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lifesaver
Give 15 points!
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5
×
How many neutrons does Argon have?
22
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