What Is the Mass of the Helium Nucleus?

Answer

Helium has an atomic number of two and the helium nucleus contains two protons and two neutrons. Helium has an atomic mass of 4, or more exactly 4.002602 units. The mass of the helium nucleus is generally just said to be 4.
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Q&A Related to "What Is the Mass of the Helium Nucleus"
A helium nucleus has a charge of. plus two. and this is because it has two protons in its nucleus.
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The atomic weight (mass number) of helium is 4.00260 (normally it is
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the question specifies that its just the nucleus. Only protons and neutrons occupy the nucleus, electrons orbit around it, so yes the answer is C. Fun Fact: a helium nucleus also
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An alpha particle is exactly that - a helium nucleus - 2 protons and 2 neutrons. A beta (minus) particle is an electron that is moving very quickly, having been formed by a neutron
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