Question

49. Which one of the following statements about atomic number is false?
Dit is equal to the number of protons present in the nucleus
2) it is a more fundamental property of the atom than the atomic weight
3) no two elements can have the same atomic number
4) the atomic number of an element decides its stability​

Answer 1

Answer:

1)

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Answer 2

Explanation:

and band ka chamatkr .....tera ka maa ka balatkar