7)The mass of an electron is approximately equal to 1/1368 of the mass of A)a positron
B)a proton
C)an alpha particle
D)a beta particle

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

Quiz1. which physical state of nitrogen has the highest entropy? a solid© b gasoc liquid

What element has similar physical and chemical properties as boron.