Exercises
|
Atomic
nuclei
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Comment
|
True
or False
|
 |
Atoms "A" and "B" are isotopes of berylium. | |
 |
Atoms "A" and "B" are isotopes of nitrogen. | |
 |
Both atoms have the same atomic number but different mass number. | |
 |
"A" is carbon while "B" is a lithium atom. | |
 |
Both "A" and "B" are isotopes of boron because they have the same atomic mass but different atomic numbers. | |
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Both "A" and "B" are atoms of carbon. | |
 |
Both "A"
and "B" are isotopes of carbon.
|
|
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Both "A"
and "B" have the same mass number.
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|
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Which nucleus is unlikely to be stable? The best reason for this is that: |