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CBSE Class 9 Answered

1.   If an ion M+3 contains 10 electrons and 14 neutrons .what are the atomic number and mass number of the element M.
Asked by M.s.srinidhi21 | 04 Mar, 2015, 06:04: PM
answered-by-expert Expert Answer

There are 13 electrons. So,

Number of protons = 13

Atomic number = 13

Mass number = 13 + 14 = 27

Answered by | 04 Mar, 2015, 06:17: PM
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