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
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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