[" 13.two atoms are said to be "],[" isobars if "]

Two atoms are said to be isobars is

Two atoms are said to be isobars is

Two atoms are said be isobars if

Q 4 Two atoms are said to be isobars if. * (a) they have same atomic number but different mass number. (b) they have same number of electrons but different number of neutrons (c) they have same number of neutrons but different number of electrons. (d) sum of the number of protons and neutrons is same but the number of protons is different.

Two vectors are said to be equal if :

Two elements are said to be Isotones if their