Physics, asked by pradhandevendra52, 7 months ago

there are 2, 8 and 7 electrons in the shells k l and M respectively, if the mass number is 37, what is the number of neutron?​

Answers

Answered by sahnabhardwaj6
9

Answer:

20

Explanation:

you can calculate atomic no. by adding the no. of electrons in all the shells and then by subtracting it from the mass no. , you get the value of no. of neutrons...

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