Chemistry, asked by sc394025, 4 months ago

Which of the following pairs are isotones?

1)19K40 & 17Cl40
2)6C12 & 6C13
3)19K39 & 20Ca40
4None of the above.

Answers

Answered by 2008shrishti

1

Answer:

Answer:

NONE OF THE ABOVE

Explanation:

613C and 714N have an identical number of neutrons i.e. 7, so they are isotones.

Explanation:

Hope this answer will help you

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