Two different elements may have same mass number but not the same……….

What do we call the atoms of different elements with same mass number

What do we call the atoms of different elements with same number of neutrons.

Write two different vectors having same magnitude.

Statement 1 : the nuclear isomers are the atoms with the same atomic number and same mass number, but with different radioactive properties. Statement : 2 The nucleus in the excited state will evidently have a different half-life as compared to that in group state.

Assertion : Equal moles of different substances contain same number of constituent particles Reason : Equal weights of different substances contain the same number of constituent particles