Chemical Formulas and Nomenclature: Understanding P(4), H(2), Br(2), and I(2)

[xCanx]

What is this chemical formula called P(4)? *the 4 is the subscript

would it be tetraphosphorus?

and also chemical formulas like H(2), Br(2), and I(2) just called hydrogen, bromine and iodine? *numbers are subscripts

 

[chemisttree]

What is this chemical formula called P(4)? *the 4 is the subscript

would it be tetraphosphorus?

and also chemical formulas like H(2), Br(2), and I(2) just called hydrogen, bromine and iodine? *numbers are subscripts

Yep.