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The number of protons determines the element. So when neutrons are added, there is no change in the number of protons and helium atom is unchanged.

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What does adding A neutron to an atom's do to the atom's mass?

Adding a neutron increases the atom's mass by about 1 AMU assuming it remains stable.


What does adding a neutron to an atoms nucleus do to the atoms mass?

Adding a neutron to an atom's nucleus increases the atom's mass by the mass of the neutron itself. Neutrons are more massive than protons, so adding a neutron will increase the atom's total mass without changing its charge.


What does adding a nuetron to an atom nucleus do to the atoms mass?

Since a neutron has mass, adding a neutron to an atomic nucleus increases the atom's mass.


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What does adding a nuetron to an atoms nucleus do to the atoms mass?

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Where does the sun gets energy from and goes to light and heat?

The sun uses nuclear fusion to produce light and energy. the process is relatively complicated but simplified it looks something like this. step 1: hydrogen atom + hydrogen atom = deutrerium atom (an isotope of hydrogen (one extra neutron)) + positron + neutrino step 2: Deutrerium atom + hydrogen atom = helium 3 (an isotope of Helium (missing one neutron)) + energy step 3: helium 3 atom + helium 3 atom = helium atom + hydrogen atom + hydrogen atom + energy.


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