gcse chemistry c2 0.0 / 5 ? ChemistryStructure and bondingGCSEAQA Created by: sumeya yalahowCreated on: 20-12-16 13:17 when atoms lose orgain electrons they form ...... ions 1 of 7 what are gruop 1 and 2 elements metals or non-metals metals they lose electrons to form positive ions 2 of 7 what are gruop 6 and 7 metals or non-metals non-metals they gain elctrons to form negative ions 3 of 7 what do elements in the same gruop have the same the number of electrons in the outer shell 4 of 7 what group is sodium in sodium is in group 1 so it loses 1 electron 5 of 7 Explain why simple ions often have noble gas electronic structures. Noble gas electronic structures have a full shellof outer electrons which is very stable. 6 of 7 Ionic bonding transfer of electrons 7 of 7
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