Atoms with the same mass number but having different nuclear charges are called

Atom with the same atomic number and different mass numbers are called

Atom with the same atomic number and different mass numbers are called

The atoms with same mass number but different atomic number are called

Atoms of different elements having same mass number but different atomic numbers are called

Nuclides having some atomic number and same mass number but different rate of decay are called:

Which of the following pairs is/are correctly matched ? 1. Isotopes : Atoms with same atomic number but different atomic mass 2. Isobars : Atoms with same number of neutrons but different atomic number 3. Isotones : Atoms with same mass number but different atomic number Select the correct answer using the code given below :