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Atomic Structure Practice Problems
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What is the difference between these two Isotopes of nitrogen?
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One has an extra proton
One has an extra neutron
One has an extra electron
There is no difference
How many neutrons does the copper atom have?
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29
34
63
92
How many electrons does the beryllium ion have?
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2
4
6
7
Why is the chlorine above considered an ion?
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It has a different number of neutrons
it has lost an electron
it has gained an electron
It has lost a proton
Identify this atom:
Helium
Lithium
Beryllium
Carbon
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