Answer: Lithium, an alkali metal with three electrons, is also an exception to the octet rule. Lithium tends to lose one electron to take on the electron configuration of the nearest noble gas, helium, leaving it with two valence electrons. There are two ways in which atoms can satisfy the octet rules.
Explanation: Hope this helped! :)
I dont like that one of the people I have been to for years I can not live with that much because of my friends but they have a bad day
Salt is a pure substance because it it a compound. It can not be broken down any further. Milk is not a pure substance because it is a mixture and can still be broken down. It is made up of many elements. Hope this helps!!!