Team 1
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Team 2
0
Teams
Name
Score
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×
heart
Other team wins 25 points!
Oops!
×
shark
Other team loses 25 points!
Okay!
×
rocket
Go to first place!
Okay!
×
banana
Go to last place!
Oops!
25
×
Dalton said that atoms of different elements can come together to form _________
compounds
Oops!
Check
Okay!
Check
×
baam
Lose 20 points!
Oops!
×
gold
Win 50 points!
Okay!
×
rocket
Go to first place!
Okay!
×
banana
Go to last place!
Oops!
25
×
When an atom has more electrons than protons, it is called an ________
anion
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Check
20
×
True or false: Stable isotopes break up over time emitting particles or electromagnetic radiation.
True
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Check
Okay!
Check
15
×
The symbol for the mass number is ...
A
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Check
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Check
15
×
Almost all the mass of the atom is in the _________? (in Rutherford's model)
nucleus
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Check
×
seesaw
Swap points!
Oops!
×
gift
Win 5 points!
Okay!
×
rocket
Go to first place!
Okay!
×
banana
Go to last place!
Oops!
15
×
The symbol for the atomic number is ...
Z
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Check
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Check
15
×
True or false: Atoms X (Z=20 A=40) and Y (Z=20 A=41) are isotopes.
True
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Check
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Check
25
×
In which sublevel is the last electron of a calcium atom (Z=20)?
3p
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15
×
Rutherford's atomic model is usually known as ...?
the planetary model
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25
×
When an atom has less electrons that protons, it is called a __________?
cation
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15
×
What did Rutherford call the centre of the atom?
a nucleus
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15
×
Inside the nucleus of an atom, you will find ...?
neutrons and protons
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15
×
Who was the first person to study atoms using the scientific method?
Dalton
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×
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