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It depends on which element are u looking upon..if its hydrogen then it has three isotopes which have a different number of neutrons..this variation in the number of neutrons in the atoms of same element invented the concept of isotope.

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9y ago

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What is protium?

Protium is the name of a common hydrogen isotope. This isotope has a single proton and does not have any neutrons.


How do hydrogen isatopes differ?

Hydrogen isotopes differ by the number of neutrons they contain. Protium, the most common isotope, has no neutrons. Deuterium, another isotope, contains one neutron. Tritium, the third hydrogen isotope, contains two neutrons.


How many neutrons in hydrogen-1?

Hydrogen-1, also known as protium, has 0 neutrons. It is the most common isotope of hydrogen and consists of a single proton and no neutrons.


How many neutrons on the middle shell of hydrogen?

Their are only 2 shells in the hydrogen atom.


Which is the lightest isotope of hydrogen?

Protium (Hydrogen-1) is the lightest and by far the most common isotope of hydrogen.


Name any atom without a neutron?

The most common isotope of hydrogen, hydrogen-1, has no neutrons.


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 second isotope of hydrogen?

Deuterium, it has 1 neutron and one proton.


Which element have no neutrons in its atom?

The most common isotope of Hydrogen lacks a neutron in its nucleus. But there is an isotope, called deuterium, that has one neutron. Additionally, there is a hydrogen isotope that is artificially created that has two neutrons in its nucleus. It is called tritium. A link to the Wikipedia article on the isotopes of hydrogen is provided.


Are there any atoms that have no neutrons?

Yes, 1H (Hydrogen-1), the most common isotope of hydrogen has a single protons and no neutrons.


How many particles in a hydrogen atom?

The most common isotope of hydrogen has one proton, and one electron.The most common isotope of hydrogen has one proton, and one electron.The most common isotope of hydrogen has one proton, and one electron.The most common isotope of hydrogen has one proton, and one electron.


Is tritium on the periodic table?

The isotope of hydrogen we call tritium is radioactive because all atoms of it have an unstable nucleus. Tritium, which is hydrogen-3, has a single proton in its nucleus (as you'd expect), and has two neutrons there as well. This combination of nucleons is not stable, and it will eventually decay (with a 12.32 year half-life). Said another way, the nuclear arrangement of a proton and two neutrons is not a stable one, so atoms of this isotope of hydrogen will be radioactive and will eventually decay. When any atom is "created" by fusion or other means (including nuclear decay), the nucleons (the protons and neutrons that make up its nucleus) have to "make a deal" as to how they are going to get along in the tiny volume of space that the nucleus occupies. Some arrangements of protons and neutrons just "aren't right" and are unstable, and this gives rise to characterizing the isotope as being radioactive. Tritium (H-3) is one such isotope.