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AQA GCSE Combined Science Trilogy · 8464
Explain the precise process of electron transfer that occurs when a highly reactive metal atom reacts with a non-metal atom.
Describe how metal atoms physically lose specific electrons from their outer shell to become positively charged ions.
Describe how non-metal atoms physically gain those transferred electrons to become negatively charged ions.
Understand that the ions successfully produced by metals in Groups 1 and 2, and non-metals in Groups 6 and 7, achieve the highly stable electronic structure typical of a noble gas (Group 0).
Represent the exact electron transfer during the formation of a simple ionic compound using a clear dot and cross diagram, such as detailing the formation of sodium chloride.
Draw accurate dot and cross diagrams modeling ionic compounds formed specifically by metals in Groups 1 and 2 interacting with non-metals in Groups 6 and 7.
Understand that the ultimate charge on the ions produced by metals in Groups 1 and 2, and non-metals in Groups 6 and 7, directly relates to the original group number of the element within the periodic table.
Deduce the specific charge on the corresponding ions of metals and non-metals strictly from the group number of the element, limiting the scope to metals in Groups 1 and 2, and non-metals in Groups 6 and 7.