# What Happens to the Charge of an Atom if Two Electrons Are Added?

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The charge of an atom when two electrons are added to it changes in a very specific way. Find out what happens to the charge of an atom if two electrons are added to it with help from an experienced math professional in this free video clip.

Part of the Video Series: Solving Math Problems
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## Video Transcript

Hi, I'm Ryan Ault, I am a physicist, and this is what happens to the charge of an atom when two electrons are added to it? Now, if we look at something like a proton, a single one, it's actually a hydrogen atom. And its initial charge is just 1.6, we can call it q, it's equal to 1.6, and it's positive, times 10 to the negative 19 coulombs, so it's a really small number. Now, if we add one electron to this atom, we find that the net charge is 1.6 times ten to the negative 19 coulombs minus from the negative charge, the electron, 1.6 times 10 to the negative 19 coulombs, and just using mathematics, we find that the net charge is now equal to zero. If we add one more electron to the atom, we find the net charge decreases to negative 1.6 times 10 to the negative 19 coulombs. I'm Ryan Ault, and this is, what happens to the charge of an atom when two electrons are added.

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