Question

A,B,Cand D have atomic number 1, 8 ,11 and 19 respectively choose the odd element and give reason for your answer ​

Answer 1

hydrogen (1), oxygen (8),, sodium ( 11) , potassium (19) ok

Answer 2

Answer:

these a are

hydrogen

oxygen

sodium

pottasium

Explanation:

so in these elements according to me hydrogen and O2 are different than sodium and pottasium