Question

Only a chemistry master can answer my question
My question is in the attachment
Question is the black dark line in the attachment
Why here the exception is hydrogen.explain
Explain the black dark line. I will definitely mark the best answer the brainliest in three answers

Answer 1

Answer:

This is because hyrogen forms positive ion but hydrogen is nonmetal as hydrogen is non malleable,

non ductile, brittle, poor conductor of heat and electricity.

Hope, it would help you.

Now, mark me as brainliest.