What is a polyatomic ion. Explain with an example.
A polyatomic ion is a charged chemical species composed of two or more than two atoms.
The formula of hydroxide ion is OH- where O and H combines to make it polyatomic.
Define polyatomic ion. Give one example
(a) What is the significance of a chemical formula?
(b) Define polyatomic ions with an example?
P4 is a example of _________ molecule.