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Unformatted text preview: atom is located in the nucleus . The light negatively charged electrons move around in an orbit in the space around the nucleus. We use the following symbol to describe the atom: A= Z + N, where N is the number of neutrons. If you add or subtract a proton from the nucleus, you create a new element . If you add or subtract a neutron from the nucleus, you create a new isotope of the same element you started with. In a neutral atom, the number of positively charged protons in the nucleus is equal to the number of orbiting electrons ....
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