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14-01-2024
Chemistry

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(b) An element X with electronic configuration 2, 8, 2 ionises to a configuration of 2,8 when it combines with another element Y of configuration 2,8, 7. (i) State the type of bonding formed between the two elements. ii) Write a simple ionic equation to represent the ioniziation of X. ii) How many atom(s) of Y are needed for the combination?

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