Question

write the amount of neutrons: 37 Cl 17

Answer 1

Hi
Mass no. = no. Of electrons + no. Of neutrons
37 =x +17
x= 20
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Answer 2

Neutrons is the mass number - electrons ...
In the above question 37 is mass number and 17 is atomic number (Z)..
So 37 - 17 =20
The above is a Isotope .

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