1.

an ion M3+ contains 10 electrons and 14 neutrons.What are the atomic mass and mass number of the element M ? name the element

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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