Answer 2

What is difference between atom and molecule ???

4 year ago
Mitesh Sharma
Mitesh Sharma

Which one of the following is a correct electronic configuration of Sodium?

(a) 2, 8

(b) 8, 2, 1

(c) 2, 1, 8

(d) 2, 8, 1

4 year ago
Mitesh Sharma
Mitesh Sharma