MADANIA (High School) Grade 10 CHEMISTRY Handout 1 Atomic Structure (Atomic number and Mass number) 19 / 07 / 2010 HISTORY OF THE ATOM 460 BC Democritus develops the idea…

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ATOMIC STRUCTURE Particle proton neutron electron Charge + ve charge -ve charge No charge 1 1 nil Mass ATOMIC STRUCTURE the number of protons in an atom the number of protons…

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HISTORY OF THE ATOM 460 BC Democritus develops the idea of atoms he pounded up materials in his pestle and mortar until he had reduced them to smaller and smaller particles…

Slide 1 Chemistry of Life Honors Biology: Chapter 2 Matter Everything in the universe is made up of matter. Matter- anything occupying space and has mass. Mass- amount of…

S.MORRIS 2006 Where did it all begin? The word âatomâ comes from the Greek word âatomosâ which means indivisible. The idea that all matter is made up of atoms was first…

S.MORRIS 2006 This Powerpoint is hosted on www.worldofteaching.com Please visit for 100âs more free powerpoints HISTORY OF THE ATOM 460 BC Democritus develops the idea of…