covalent bonding 3.5 / 5 based on 2 ratings ? ChemistryStructure and bondingGCSEAQA Created by: LeahCreated on: 17-03-13 16:24 how is a covalent bond formed? when two atoms share a pair of electrons 1 of 9 what does the number of covalent bonds an atom forms depend on? the number of electrons it needs to achieve a stable electronic structure. 2 of 9 what do substances containing covalent bonds consist of? simple molecules but some have giant covalent structures. 3 of 9 what are molecules? substances that have atoms held together by covalent bonding 4 of 9 how many electrons do elements in group 7 need to gain to form a single covalent bond? one 5 of 9 How many electrons do elelemts in group 6 need to gain in order to form two covalent bonds? two 6 of 9 therefore what do we know about atoms in group 4 and 5? group 5 can form 3 bonds and group 4 can form 4 bonds. 7 of 9 what are giant covalent stuctures sometimes called? macromolecules 8 of 9 give an example of an atom that can form several bonds carbon 9 of 9
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