A chemist has a small amount of compound(b. p.=65°C)that must be fractionally distilled. Yet, the chemist does not want to lose any of the compound to hold up on the column. What the chemist should do ?​

Covalent network solids typically have melting points and boiling points. the chemical formula of a network solid indicates in the molecule.

How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?

I'm learning about the periodic tables and what each subject's configuration is. for example, hydrogen is 1s^1, but i don't understand how you get that. can someone me understand how to figure out how to figure this out? sorry if the question makes no sense, but it would really a lot if you could me understand! you so much if you can!