A sodium atom has one electron in its outermost shell. If it loses the electron from its M shell then its L shell now becomes the outermost shell and that has a stable octet. The nucleus of this atom still has 11 protons but the number of electrons has become 10, so there is a net positive charge giving us a sodium cation Na+.On the other hand chlorine has seven electrons in its outermost shell.
1. How much electrons do sodium have in its outermost shell ?
a. 3
b. 2
c. 1
d. 4
2. How much electrons do chlorine have in its outermost shell?
a. 9
b. 7
3. When sodium losses electron from M shell , which shell it goes next ?
a. L
b. P
4. Chlorine has _____ electrons in its outermost shell.
a. 5
b. 7
5. Which type of bond is formed between Chlorine and Sodium?
a. Ionic
b. Covalent
c. None of These