Question

◆◆◆◆◆◇◇◇◇◇Why Sodium and potassium are so reactive but can be cut with a knife explain in quantum level?◇◇◇◇◇◆◆◆◆◆◆◆​

Answer 1

Answer:

Sodium and potassium crystallise in body centred cubic structure. ... Thus sodium and potassium metals appear soft and can be cut with knife.