What Is The Atomic Number Of An Element Whose Mass Number Is 23 And Contains 12 Neutrons In Its Nucleus? What Is The Symbol Of An Element? Doubt Answers

Class 11th

Chemistry

2 years ago

What is the atomic number of an element whose mass number is 23 and contains 12 neutrons in its nucleus? What is the symbol of an element?

1 Answer

2 years ago

Atomic number = No. of protons in the nucleus = Mass no. – No. of neutrons = 23 – 12 = 11 The element is sodium and its symbol is Na.

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