Question

radio active isotopes with emissions of radiation​

Answer 1

Answer:

Certain isotopes are unstable and undergo spontaneous nuclear changes (called transmutations) accompanied by the emission of particulate and some­times also electromagnetic radiations. These atoms are said to be radioactive and are called radioisotopes or radionuclides.

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Answer 2

Answer:

Every chemical element has one or more radioactive isotopes. For example, hydrogen, the lightest element, has three isotopes with mass numbers 1, 2, and 3.

Out of these three isotopes of hydrogen, the only (hydrogen-3) tritium is radioactive in nature which emits low energy b (beta) particles

Explanation: