engineering recuitment ISRO Scientific Assistant Physics 2020 General Science Chemistry Structure of Atom
The Electronic configuration of Magnesium is __________.
1
1s2, 2s2, 2p4, 3s2.
2
1s2, 2s2, 2p6, 3s1.
3
1s2, 2s2, 2p6, 3s2.
4
1s2, 2s2, 2p7, 3s2.