Formulas of ions

These are the formulas of ions which are necessary to memorise for the igcse chemistry edexcel curriculum

What is the formula of a Hydrogen Ion

H⁺

What is the formula of an Ammonium ion

NH₄¹⁺

What is the formula of a Nitrate ion

NO₃^-

What is the formula of a Hydroxide ion

OH^-

What is the formula of a Carbonate ion

CO₃₂^-

What is the formula of a Sulfate ion

SO₄^2-

What is the charge of Ag

1+

What is the charge of Cu

2+

What is the charge of Zn

2+