Question

) Define formula unit. Calculate the formula unit
mass of Na^2C0^3. (Given atomic mass :
Na = 23 u, C = 12 u, O = 16 u)
Give any three differences between atom and
molecule.​

Answer 1

Atom refers to the smallest constituent unit of a chemical element. Molecules refer to a group of two or more atoms that are held together due to chemical bonds.

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