they lose electrons - why do metals become positive ions?, they gain electrons - why do most non-metals become negative ions?, electron transfer - happens during ionic bonding, dot-cross - type of diagram drawn to show ionic bonding, giant lattice - the structure of ionic compounds, electrostatic - forces of attraction between positive and negative ions, share pairs of electrons - how covalent bonds are formed, water, ammonia, carbon dioxide - examples of some small covalent molecules, regular layers - arrangement of atoms in metals, delocalised - electrons able to move through metallic structures, metallic - type of bonds between metal atoms only, states of matter - describes solid, liquid and gas, has a higher melting point - when a substance has strong forces of attraction between particles, freezing - change of state from liquid to solid, aqueous - describes a solution containing water, state symbols - written as "s, l, g or aq" in chemical equations, alloy - a mixture of metals, silicon dioxide and diamond - examples of giant covalent molecules, intermolecular forces - these forces are weak in small covalent molecules, electrical charge - carried by delocalised electrons through metals,

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