Question

0. Calculate the number of electrons, protons and neutrons in the following
(a) 14/7N³^-
(b)24/12Mg²^+​​

Answer 1

Answer:

a) No. of protons =atomic number

(Z) = 7

<br> No. of protons

= (A-Z) = (14-7) = 7

<br> No. of electrons in an ion <br>

= Z+

magnitude of charge

= 7+3 = 10

b) No. of protons =atomic number

(Z) = 12

<br> No. of protons

= (A-Z) = (24-12) = 12

<br> No. of electrons in an ion <br>

= Z+

magnitude of charge

= 12+2 = 10.

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