chemistry 0.0 / 5 ? ChemistryTOPIC 3 AND 4GCSEEdexcel Created by: chloe_neveCreated on: 12-11-15 11:34 what is a covalent bond ? A covalent bond is a chemical bond that involves the sharing of electron pairs between atoms 1 of 6 give two typical properties of metals ? •High melting and boiling points. •Good conductors of heat and electricity. 2 of 6 name two additional properties shared by transition metals ? - they are less reactive than alkali metals such as sodium -they have high melting points - but mercury is a liquid at room temperature 3 of 6 Ion ? A charged atom 4 of 6 Electron ? Atomic particle with charge of -1 5 of 6 Halogen ? A group 7 element 6 of 6
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