Question

The electronic configuration of metal 'A's Z, 8, 1 and that of metal 'B' is 2,8,2
Which of the two metals is more reactive?
Write their reaction with dilute hydrochloric acid.​

Answer 1

Answer:

sodium is the most reactive metal among the metal it reacts with hcl than mg reacts with hcl

Na reacts even with water air and steam

Answer 2

Answer:

The metal A is more reactive because of its electronic configuration

Metal A is sodium

reaction with Hcl

2Na + Hcl ---------------- Na2cl + H2