Question

what is isotopes ..... ​

Answer 1

Answer:

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Explanation:

1st definition

Isotopes are variants of a particular chemical element which differ in neutron number, and consequently in nucleon number. All isotopes of a given element have the same number of protons but different numbers of neutrons in each atom.

2nd definition

one of two or more forms of a chemical element that have different physical characteristics but the same chemical characteristics

Answer 2

Answer:

Each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, and hence differ in relative atomic mass but not in chemical properties; in particular, a radioactive form of an element.