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15
×
How much does a proton weigh in amu?
1 amu
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×
banana
Go to last place!
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seesaw
Swap points!
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gift
Win 15 points!
Okay!
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thief
Give points!
5
10
15
20
25
15
×
What would you call an atom that has gained or lost electrons?
Electron thief
Isotope
Ion
Electrion
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boom
Lose 50 points!
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gold
Win 50 points!
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shark
Other team loses 20 points!
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banana
Go to last place!
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20
×
An atom has atomic number 7 and mass number 15. How many neutrons are in the atom?
7
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15
×
What is this model called?
Chocolate Chip Cookie Model
The Big Bang Theory Model
Plum Pudding Model
Planetary Model
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15
×
What kind of charge does a neutron have?
neutral (no charge)
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20
×
An atom with mass number: 25 and 11 neutrons. How many protons are there?
14
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20
×
Which sub-atomic particle is negatively charged?
electron
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10
×
According to modern understanding, electrons are found in the...
nucleus
electron cloud
electron bank
neutron
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15
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What are two atoms with the same number of protons but different numbers of neutrons called?
ions
isotopes
twin molecules
amu
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15
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How much does a neutron weigh in amu?
1 amu
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20
×
If Aluminum has an atomic number of 13 and it has 14 neutrons, what is the mass number of Aluminum?
27
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15
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Which scientist first discovered electrons?
J.J. Thomson
Democritus
Aristotle
Ernest Rutherford
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20
×
The elements of the periodic table are arranged ____________.
How much the scientists liked each one
by their atomic number
Alphabetically
When they were discovered
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lifesaver
Give 15 points!
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rocket
Go to first place!
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shark
Other team loses 10 points!
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banana
Go to last place!
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