The atomic numbers of three elements A, B and C are given below : Element … (iv) To which period/periods do these…
Answers:
(i) C (2, 8).
(ii) B (2, 5).
(iii) A (2, 3).
(iv) 2nd period (2 shells are filled).
The atomic numbers of three elements A, B and C are given below : Element … (iv) To which period/periods do these…
(i) C (2, 8).
(ii) B (2, 5).
(iii) A (2, 3).
(iv) 2nd period (2 shells are filled).