Chemistry For Dummies -

: A "partnership" where two non-metals share electrons to fill their outer shells. Whole of AQA GCSE Chemistry paper 1 in 1hr 15 mins

: Negatively charged particles that "orbit" the nucleus in shells. These are the stars of chemistry because their movement and sharing create chemical bonds. 2. Organizing Chaos: The Periodic Table Chemistry For Dummies

: Positively charged particles in the nucleus; the number of protons defines what element an atom is (its atomic number). : A "partnership" where two non-metals share electrons

: These indicate the number of electron shells an atom has. while non-metals (dull

: Most elements are metals (shiny, conductive), while non-metals (dull, insulators) are clustered on the right side. 3. Making Connections: Chemical Bonding