Dalton - Considered atoms to be solid spheres, Chadwick - Discovered neutrons, Thompson - Linked to the plum pudding model, Rutherford - Conducted the gold foil experiement, Group 1 - The alkali metals, Group number - Tells us the number of electrons in the outer shell, Period number - Tells us the number of electron shells, The noble gases - Inert elements, The halogens - Reactive non metals, Properties of metals - Malleable, sonorous, ductile, Metal hydroxides - Formed when alkali metals react with water, Hydrogen gas - A lighted splint produces a squeaky pop in the presence of this,

GCSE Chemistry Fundamentals

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