no. of Neutron of an elements is 12and proton is 11 then find its mass no, Atomic no. and no of an electron and valency also
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We know that, Atomic mass = no. of protons + no. of neutrons ... The total no. of electrons in the atom will be = 2 + 8 = 10. 11. How will you find the ... element ) but different mass numbers are called Isotopes.
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Explanation:
Mass no: 23
Atomic number: 11
no of electron: 11
Valency : 1
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