1.

Which of the following is noble gas 1.1s2 2s2 2p62.1s2 2s2 2p6 3s2 3p43.1s2 2s2 2p6 3s2 3p6 3d5 4s24.1s2.2s2 2p6 3s1​

Answer» ANS: AEXPLANATION:outer SHELL have fullfilled electrons NEON is a noble gas


Discussion

No Comment Found