HELPP!
how many grams are in 1.50 x 10(24) atoms of copper?

Which statements describe polyatomic ions? check all that apply. polyatomic ions have many charges. polyatomic ions have one overall charge. polyatomic ions repel other ions to form ionic bonds. polyatomic ions attract other ions to form ionic bonds. polyatomic ions are made up of only one type of atom. polyatomic ions are made up of two or more types of atoms.

The variability in marine salinity between habitats does not impact the fish living there. select the best answer from the choices provided t f

What is the molar mass of a gas that has density of 2.054 g/l