Identify among the following as cation, anion, free radical, moleculer ion or molecule
Na+, Br*, N2, Cl2, CO2-3, H-, O2, O2-
I'll give brainliest​

Cation-They have positive charge and are also called basic radical

Anion-They have negative charge and are also called acid radical

Radical-A radical is an atom of an element or a group of different elements that behaves as a single unit with a positive or negative charge.

Molecule-A molecule is the smallest particle of a pure substance which has independent existence

the product of the pressure and volume is also constant

water at room temperature is flowing through a pipe with pressure taps located 10 ft apart along one section of the pipe, which are connected to a mercury (s=13.6) manometer.