What is the Golden Rule of Solubility? A. polar dissolves nonpolar B. nonpolar dissolves polar C. like dissolves unlike D. like dissolves like

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.

Describe at least two advantages and two disadvantages of using hydropower as a source of energy.

What is the correct name for the compound cocl3? a) cobalt(i) chloride b) cobalt(i) chlorate c) cobalt(ii) chlorate d) cobalt(iii) chloride