The answer is A because it cant pollute the atmosphere because its vapor from water that is being thrown out and it is reusable / the chemical reaction last longer
Lithium fluoride is a solid at room temperature because it is a salt that is held together by ionic bonds. Lithium. fluoride has a giant ionic structure.
1.94 * 6. 01 = 11.7 which is approximately same as 11 700. So the answer is 3).