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Teams
Name
Score
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15
×
Inside the nucleus of an atom, you will find ...?
neutrons and protons
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25
×
Dalton said that atoms of different elements can come together to form _________
compounds
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20
×
Who said that "electrons can only occupy certain orbits in the atomic shell"?
Niels Bohr
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20
×
Compounds are always made up of atoms of the same element?
No, for example H2O
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15
×
Is C-14 a radioactive isotope?
True
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×
thief
Give points!
5
10
15
20
25
×
seesaw
Swap points!
Okay!
×
rocket
Go to first place!
Okay!
×
lifesaver
Give 10 points!
Oops!
20
×
Do neutrons have an electric charge?
no, they don't
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×
seesaw
Swap points!
Oops!
×
magnet
Take 20 points!
Okay!
×
fairy
Take points!
5
10
15
20
25
×
baam
Lose 10 points!
Oops!
15
×
The symbol for the mass number is ...
A
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×
baam
Lose 10 points!
Oops!
×
fairy
Take points!
5
10
15
20
25
×
gift
Win 25 points!
Okay!
×
lifesaver
Give 15 points!
Oops!
15
×
The atomic number is the total number of ...?
protons in an atom
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15
×
True or false: Atoms X (Z=20 A=40) and Y (Z=20 A=41) are isotopes.
True
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15
×
Almost all the mass of the atom is in the _________? (in Rutherford's model)
nucleus
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15
×
What letters represent the different energy sublevels in an atom?
s, p, d, f, g
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15
×
Describe Daltons atomic model
He thought that atoms are tiny hard spheres
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15
×
True or false: Are the atoms X (6 protons and 6 neutrons) and Y (7 protons and 5 neutrons) the same element?
False
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×
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