شرح للكيمياء و أسئلة مراجعة

[mean boy]

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