Gold, Silver, ________ has lustre and can malleable and ductile. Find the Element.

Find out an example for solid:

Find out the atomicity of element Hydrogen (H₂):

What are the two elements which is liquid at room temparature?

Which can easily take place in diffusion?

Which matter has the molecules that are closely packed?

Which are the element that is free state in nature?

Noble metals are:

Which  of the following is the smallest unit of matter ?

Which gas is the second most abundant gas in the air ?