Answer:D molecular attraction increases as temp decreases
Explanation:A,B would require data not available. C is missing. The question is a mess.
Democritus was the first person to theorize the existence of atoms.
Answer:
a. because it is an element
Explanation:
its pure because it only has one type of atom, making it an element
1.Calcium Chloride
2.Lithium Bromide
3.Beryllium Sulfide
4.Lithium Fluoride
5. Potassium hydroselenide
6. Strontium phosphide
7.Barium Chloride
8.Iron Oxide
9.Iron
10.?
11.Copper Nitride
Answer:
C. Earth's revolution around the sun
Explanation: