atoms and molecules class 9 mcq

Choose the odd molecule 1) Argon molecule 2) Chlorine molecule 3) Oxygen molecule 4) Fluorine molecule

When the particles of a substance contain only one type of atoms, the substance is called 1) Element 2) Compound 3) Molecule 4) None

Matter consists of indivisible particles called 1) Molecules 2) Compounds 3) Elements 4) Atoms

Argon is 1) monoatomic 2) diatomic 3) triatomic 4) polyatomic