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The number of protons uniquely identifes an element at all times, with no exceptions.

Helium always has two protons.

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13y ago

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Related Questions

Which of these tell how helium is different from hydrogen?

They differ by the number of protons. Helium has 1 proton, helium has 2 proton.


Is nuclear symbol for helium the same symbol for a proton?

No the hydrogen nucleus is a proton. The helium nucleus is an alpha particle.


Which is bigger a helium nucleus or helium proton?

The helium nucleus is larger than the proton. The He nucleus consists of two protons, and one (rarely) or two (most commonly) neutrons. (These are He-3 and He-4, respectively.) That would make the helium nucleus a multiple of three or four times the mass of that of a single proton.


Is an inert gas and has one more proton than hydrogen?

The gas is helium. Helium is inert and has 2 protons, while hydrogen has 1 proton.


What is a proton-proton chain?

The proton-proton chain is the name given to one common fusion reaction occurring in stars by which hydrogen is converted to helium, along with the release of energy.


Hydrogen is to a proton as helium is to?

an alpha particle


After a single subatomic particle is removed from an atom of helium the helium atom becomes an atom of hydrogen What subatomic particle was removed?

A single proton was most likely removed from the helium atom to result in an atom of hydrogen. Helium typically has two protons, so removing one proton would leave one, transforming it into hydrogen, which has one proton.


What element has 1 proton and 2 neutrons?

An element with 1 proton is hydrogen. An Isotope called Tritium has one Proton and two Neutrons. Hope this helps.


How do you know the charge of a proton?

By definition, a proton is positive, so a proton will always have a positive charge.


What makes hydrogen different from helium?

A proton and 2 neutrons.


What that atom has 1 neutron(s) and 2 proton(s). What is its atomic number?

This isotope of helium is helium-3; the atomic number of helium is 2.


What has the Atomic nucleus at fewest protons?

helium with 2 proton Hydrogen has 1 proton.