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Deuterium is an isotope of hydrogen with 1 proton and 2 neutrons for a combined mass number of 3.

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If a hydrogen atom has a mass of 3 is it an isotope?

No, a hydrogen atom with a mass of 3 is not an isotope of hydrogen. Hydrogen isotopes include protium (mass 1), deuterium (mass 2), and tritium (mass 3).


What has an atomic mass of 3?

Tritium, an isotope of hydrogen, or Helium-3 (which does not have a specific name).


Which atom has an average mass not equal to its common isotope?

Hydrogen atom has an average mass not equal to its common isotope. The most common isotope of hydrogen, hydrogen-1, does not have a neutron in its nucleus, while the average mass of a hydrogen atom accounts for the other isotopes of hydrogen which do contain neutrons.


What is the least abundant isotope of hydrogen?

These are the Hydrogen isotopes with the least mass: Hydrogen 1-protium Hydrogen 2-deuterium Hydrogen 3-tritium


If hydrogen atom has a mass of 3 is it isotope?

Yes, all forms of hydrogen atoms are isotopes of the element. H-3 is one of the three possible isotopes of hydrogen.


Where is the mass number of an isotope of this atom that has 2 neutrons?

If you think to tritium (hydrogen-3) the mass number is 3.If you think to helium-4 the mass number is 4.


What is the shorthand formula for the 3 isotopes of hydrogen?

each isotope of hydrogen has one proton in its nucleus. The most common hydrogen isotope has no neutrons. It's mass number is one so it would be (1/1H) the second would have one neutron and a mass number of 2 (2/2H) and the third (3/3H)


Which isotopes of hydrogen has the lowest mass?

The lowest mass isotope of hydrogen is also by far the most common one: 1H, with an atomic mass of around 1.01 amu.


What is the mass number of the hydrogen isotope that contain 2 neutrons?

All hydrogen atoms contain 1 proton each. The mass number of an isotope is defined as the sum of the numbers of protons and neutrons [note correct spelling] in a nucleus of an atom of the isotope. Therefore, hydrogen with 2 neutrons has a mass number of (1 + 2) or 3.


What is the mass number of hydrogen?

The mass number of the most common hydrogen isotope, Hydrogen-1, is one


What chemical has the mass number of 3?

A chemical element with a mass number of 3 is tritium, which is a radioactive isotope of hydrogen. Tritium has two neutrons in its nucleus in addition to its lone proton.


What is the Atomic Mass of Tritium?

Tritium, or Hydrogen 3, has an atomic mass of 3.016.