Sodium is an earth-metal (group one), sliver and platinum are d-block metals.... Thus silicon is the metalloid and that is true because it looks like a metal being shiny blue-gray but it exhibit non-metal characteristics, except the fact that it can conduct electricity in a heated state.
Nitrogen gas consists of a diatomic nitrogen atom. So, the correct answer is B.
Sorry I don’t know the answer but sorry about this person
<span>S-shadows tells that the earths interior is liquid.</span>
