Question

What is the formula for silver sulfide?

Answer 1

Chemical formula:

• A representation that shows the total number of atoms or elements present in a substance along with their relative proportions is called the chemical formula of the substance.
• For example, the chemical formula of hydrogen chloride is $\mathrm{HCl}$, where both hydrogen and chlorine are present in 1:1 ratio.

Formula of silver sulfide

• Silver sulfide contains a silver(Ag) atom having a positive charge and a sulphur(S) atom having two negative charges. Therefore, in order to balance out the charges two atoms of silver will combine with an atom of sulfur.
• Hence, the formula of silver sulfide is ${\mathrm{Ag}}_2\mathrm{S}$.