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an ion M3+ contains 10 electrons and 14 neutrons.What are the atomic mass and mass number of the element M ? name the element |
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Answer» No. of ELECTRONS = 10 No. of neutron = 14 Now, in a neutral atom ; No. of NEUTRONS = 14 No. of electrons = 10+3 = 13 No. of proton = No. of electrons = Atomic no Atomic no. = 13 Atomic mass = No. of PROTONS + no. of neutrons = 13 + 14 = 27 |
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