Question

An element has atomic number 11 write electronic configuration and valency of element ​

Answer 1

Answer:

1)e.c=2,8,1

2) na belongs to the 1st group

3)yes it is a metal

4)na+cl2=nacl

Answer 2

Explanation:

atomic number 11 is sodium

configuration =1s2,2s2,2p63s1

valency is 1