Documents The smallest particles of matter are atoms. Atoms have a nucleus, with protons and neutrons as major...

Slide 1 The smallest particles of matter are atoms. Atoms have a nucleus, with protons and neutrons as major components and electrons which orbit the nucleus. A compound,…

Documents Unit 1 Chemistry of Life: Atoms and Molecules. Elements Required for Life Approx 25 elements C, O, H...

Slide 1 Unit 1 Chemistry of Life: Atoms and Molecules Slide 2 Elements Required for Life Approx 25 elements C, O, H and N  96% of living matter P, S, Ca and K  4% of…