What do you think are the processes that scientists do for their work?

How many molecules are found in 1.32 mol of nacl?

Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium

What element has similar physical and chemical properties as boron.