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Protons make the nucleus, or center, of an atom. But most atoms have more than one proton, online loans at least one neutron to go with each proton (some have online loans than one). Protons are actually made of even smaller invisible particles, called quarks. Each proton has three quarks, two up quarks and one down quark.
A strong nuclear force sticks the quarks together. Most of the mass of a proton comes from this strong nuclear force, rather than from the quarks. Because a proton has two up quarks and only one down quark, it has a positive charge, like the positive end of a magnet. Two payday loan online things that have positive charges push away from each other, so the protons in an atom are always pushing away from payday loan online each other.
They need the neutrons to pull them together. The neutrons help to stick the protons together, using the strong nuclear force. The heaviest atom that exists in nature is uranium, with 92 protons. Karen Carr is Associate Professor Emerita, Department of History, Portland State University. She holds a doctorate in Classical Art and Archaeology from the University of Michigan.
Follow her on Instagram, Pinterest, or Twitter, or buy her book, Vandals to Visigoths. Simple history articles for leftists, activists, feminists, pacifists, and people of color. Coming to you from Portland, Oregon. Atoms and Chemistry What is a proton.
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