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Teams
Name
Score
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5
×
The electrons fill the energy level K before L
Because , K level has the lowest energy
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5
×
The equation 2n2 is not applied to the energy levels more than 4
Because , the atom will be un stable
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5
×
For Nitrogen atom ( 14 N7 ), calculate the number of neutrons.
7
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×
eraser
Reset score!
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×
gold
Win 50 points!
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×
shark
Other team loses 25 points!
Okay!
×
baam
Lose 25 points!
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5
×
The atom is electrically neutral . why/
Because, Number of +ve protons = Number of -ve electrons
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5
×
In Nitrogen atom ( 14 N 7 ) ,the number of protons =................,the number of electrons =..........
7,7
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5
×
For the Nitrogen atom ( 14 N 7 ) ; the mass number =............while the atomic number =..........
14, 7
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×
thief
Give points!
5
10
15
20
25
×
rocket
Go to first place!
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×
fairy
Take points!
5
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15
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25
×
lifesaver
Give 25 points!
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×
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