Question

Which statement (s) are correct ?
i) A 3s subshell has a maximum of 8 electrons.
ii) An element with configuration of 1s²2s 2p 3s would be in the same group as beryllium.
iii) The general electronic configuration of the group containing N2 is ns^2 np^5.
iv) A strontium atom has a filled outer shell if it is loses two electrons.
1.) 1,2,&3
2.) 1 & 3
3.)2 & 4
4.) only 4

please answer this question......​

Answer 1

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Answer 2

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