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Question
Name or state the following.
Two elements having the same number of protons and electrons but a different number of neutrons.
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Solution
Two elements are:
Sodium – P = e = 11 n = 12
Chlorine – P = e = 17 n = 18
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|
|
No. of protons |
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| `""_17^35"CI"` |
|
|
|
|
|
| `""_17^37"CI"` |
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|
|
|
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| Element | np | nn |
