السلام عليكم في سؤال ما فهمته ؟!!
Use the following table and shoose which of the species are neutral
atom or ion of element a b c d e f
number of electrons 5 10 18 10 27 2
2 29 12 16 9 5 number of protons
1 36 12 18 9 5 number of neutrons
a- c and e b- b and c c- d and e d- a and f