Question

What is the symbol and also mass number if the protons is 50, the Neutrons is 69, and the electrons is 46?

Answer 1

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The number of protons = Atomic Number of that particular atom, therefore atom having 50 protons have Atomic number of 50 that is : Tin, symbol - (Sn)

Mass number = No. of protons + No. of Neutrons :

➼ 50 + 69 = 119