Chemistry, 10.11.2020 22:40 santileiva123199
an atom has a mass number of 55. Its number of neutrons is the sum of its atomic number and fiv. How many protons, nuetrons, and electrons dows this atom have? what is the identity of this atom?
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an atom has a mass number of 55. Its number of neutrons is the sum of its atomic number and fiv. How...
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