Nitrogen forms five stable oxides with oxygen of the formulae N2O, NO, N2O3, N2O4, N2O5. This oxide formation explains which law of chemical combination?
Law of multiple proportion.
What is SI unit of mole?
The mole is a base unit of the International System of Units (SI). Unit of mole is mol.
What is a.m.u.?
One atomic mass unit is defined as a mass exactly equal to one twelfth the mass of one carbon - 12 atom.
1 amu = 1.66056×10–24 g
What is gram atom?
It is the quantity in grams which is numerically equal to the atomic mass of an element on a.m.u. scale.