What is the correct name for N2O5?

Fluorine and fluorine will form a polar bond.

Which is a cation?

A carbonated beverage is a heterogeneous mixture.

Which of the following compounds will form hydrogen bonds?

A solution is a heterogeneous mixture.

Which is an observation?

Please provided the chemical symbol for the element this orbital diagram represents.

Did an ion that consists of 24 protons, 30 neutrons, and 22 electrons gain 2 protons or lose 2 electrons for the difference of 2?

How many oxygen atoms are in the compound Ca(MnO4)2?