Question

Number of proton in an atom x whose atomic number is 15 and atomic weight is 33

Answer 1

No. of protons= Atomic number

given atomic number is 15, so the no .of protons= 15..

No.of protons+ No.of neutrons= atomic weight

15+No.of neutrons= 33

No.of neutrons= 33-15=18

• No.of protons= 15

•No.of neutrons=18

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Answer 2

Answer: 18

Explanation: Atom =no of proton+no of neutron

Atomic no =15

Atomic weight = 33

Protons = 33-15=18

So , no of protons =18