The Valency of phosphate ion is .

The nuclear fission process releases neutrons and question 27 options: alpha particles electrons energy beta particles

1. explain hydrogen peroxide, h 2 o 2 properties and decomposition reaction. 2. describe how each of the following natural cycles plays a part in earth’s climate system. (a) the water cycle (b) the carbon cycle

Heat is the total potential energy of a substance that can be transferred. true false