Properties of atoms

Which of the following properties of atom could be explained correctly by Thomson model of atom?

Properties of a compound are average of the properties of its constituent atoms.

…………….. Electrons are responsible for the chemical properties of an atom.

Periodic Properties - Atomic and Molecular Atomic Radius || Covalent Radius-Homoatomic/Heteroatomic || Stevenson and Schomaker Equation

Assertion(A): All isotopes of a given element show the same type of chemical behaviour. Reason(R) The chemical properties of an atom are controlled by the numb er of electron s in the atom.

Properties of electrons that are quantized in Bohr's atomic model are