If the number of elecrons in XZ is 23 and the numbers of the neutrons is 18 what is its atomic number and atomic mass?
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Answer: the atomic mass of chlorine (Cl) is 35.45 amu because chlorine is composed of several isotopes, some (the majority) with an atomic mass of 35 amu (17 protons and 18 neutrons) and some with an atomic mass of 37 amu (17 protons and 20 neutrons
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Answer:
atomic number= no of electrons =23
atomic mass = 23+18=41
hope you got your answer
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