Question

Find the number of electrons protons and electrons of the following elements. 27al13 ,40ca20, 56fe26

Answer 1

$^{27}_{13}Al-e^{-}-13,p^{+}-13,n^{0}-14\\\\^{40}_{20}Ca-e^{-}-20,p^{+}-20,n^{0}-20\\\\^{56}_{26}Fe-e^{-}-26,p^{+}-26,n^{0}-30$