Question

Hi friends answer this fast​

Answer 1

Answer:

ATOMICITY-no of atoms present in a element or a compound is called atomicity. for example atomicity of 02 is 2.

smallest particle of an element that may or may not exist independently is called atom.

smallest particle of a compound that can exist independently is called molecule of a compound.

pure substance containing two or more elements combined together in definite proportion by mass.

no. of elements 3 they are hydrogen carbon oxygen

2 atoms of hydrogen 1 atom of carbon 3 atoms of oxygen