How are elements arranged in the Periodic Table?, Density only, Mass number, Atomic number, State symbols, What are the horizontal rows called?, Periods, Blocks, Groups, Series, What do periods show?, Metal type, Neutron count, Proton charge, Electron shells, What are the vertical columns called?, Periods, Groups, Layers, Rows, What does the group number show?, Neutron number, Outer electrons, Shell number, Atomic mass, What ion does sodium usually form?, 1-, 2-, 2+, 1+, What ion does magnesium usually form?, 2+, 3+, 2-, 1+, What do Group VII non-metals do when forming ions?, Lose 2 electrons, Lose 1 electron, Gain 1 electron, Gain 2 electrons, What is valency?, Boiling trend, Atomic mass, Proton number, Combining power, What is the valency of Group IV elements?, 1, 2, 4, 3, What happens to metallic character across a period?, No change, It decreases, It increases, It doubles, Where are metals mainly found on the Periodic Table?, Left side, Centre only, Right side, Top only, What are elements near the zig-zag line called?, Halogens, Metalloids, Noble gases, Isotopes, What does the last number in an electronic configuration show?, Mass number, Period number, Proton number, Group number, How does Group I reactivity change down the group?, No change, It stops, It increases, It decreases

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