Question

What is deuterium?
what is isotopes?

Answer 1

Answer:

deuterium is the isotope of hydrogen

isotopes -atoms with same atomic number but different mass number

eg; protium, dueterium, tritium are isotopes of hydrogen

Explanation:

Answer 2

Answer:

Deuterium is a stable isotope of hydrogen with a mass approximately twice that of the usual isotope.

Isotopes is 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.

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