ahossini2047 ahossini2047

11-12-2022
Chemistry

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3. Jonny thinks he has worked out a pattern for the formula of compounds, if he knows the group numbers of the elements which the compound contains. If X is the symbol of a group 1 element, and Y is the symbol of a group 7 element, then formula of the compound always seems to be XY. a) State if Jonny is right or wrong, and give your reasons.

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