Question

16. An element 'M' has atomic number 11.
() Write its electronic configuration. (ii) State the
group to which 'M' belongs. (iii) is 'M' a metal or
a non-metal?

​

Answer 1

Explanation:

atomic number 11 is sodium

1.configuration is 1s 2,2s2,2p63s1

2.1st group

3.non metal