I believe the atomic level increases hope this helps.
Yeah of-course!! It's valency by group most of the chemical property like electronegativity, ionization energy etc. by the combination of groups and periods...
Compound: a thing that is composed of two or more separate elements, basically it is a mixture
Mixture: a substance made by mixing other substances together
so go from there. I don't want to cheat by giving answers, so I hope this is guiding and helpful. please mark brainliest if it is!