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Helium has 2 protons and 2 neutrons, so the answer is 4.

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13y ago
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11y ago

4.0026

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Q: What is the average atomic mass of Helium?
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Related questions

What is the atomic mass average for helium?

Helium is a non metal element. Atomic mass of it is 4.00.


How much does atomic mass helium have?

It's just 4.002602 amu


What is atomic mass for helium?

Helium is a non metal element. Atomic mass of it is 2.


What is the noble has gas with the lowest atomic mass?

Helium with an atomic mass of 4.00260


What is helium's atomic?

Helium's atomic number is 2 and its atomic mass is 4


What is the mass of helium?

helium = 4 molar mass


What is atomic weight of helium?

4.002602 g/mol


What is the atomic number and mass of helium?

Helium is a metal element. Atomic number of it is 2.


What is the symobel and atomic number and atomic mass for helium?

Symbol: He atomic #: 2 atomic mass: 4.002602


What is the atomic mass for Helium?

4


4.002 is the atomic mass of which element?

We can find helium as a non metal element. Atomic number of it is 2.


What is the atomic mass of helliium?

Helium is a non metal element. Atomic mass of it is 4.