Question

Name the element of lower nuclear charge out of Be and Mg

Answer 1

Answer:

Mg

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Answer 2

Answer:

Both Be and Mg belong to the same group.The atomic number of Be is 4 whereas the atomic number of Mg is 12. Be has less number of electrons and it is smaller in size therefore, electrons will be strongly attracted towards the nucleus. Therefore, Be will have lower nuclear charge as compared to Mg.

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