The chemical formula of a covalent molecular substance gives the number of atoms per molecule. The formula of a covalent network or ionic compound gives the simplest ratio of atoms/ions in the ...

Maths Formulas for Class 12: Scientists and mathematicians dedicated their entire lives to solving complex problems and figuring out proofs and relations. And their efforts are bearing fruit today.

A pure substance made from more than one type of element chemically bonded together. Elements bond in fixed ratios and so can be represented by a chemical formula. For example, sodium chloride has the ...