The separation of molecules. I wouldn't put that if i were you.
The correct answer is D. A solid has a high to very high melting point, great hardness , and poor electrical conduction, this is a covalent network solid. This is because of the large amount of energy required to break these bonds, the said properties are exhibited by these solids.
There are 2 significant figures. All numbers in a whole number are significant.
Answer: Rb gains two electrons
Explanation:
