AQA · Chemistry · 8462
GCSE Chemistry: Ionic bonding
Bonding, structure, and the properties of matter · AQA GCSE Chemistry (8462), specification point 4.2.1.2. Cards are generated from the exam board's own specification for "Ionic bonding", and every card links back to the page it came from. Specification © AQA — used with attribution.
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What happens to a metal atom's outer-shell electrons when it reacts with a non-metal atom?
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They are transferred to the non-metal atom.
What charge does a metal atom acquire when it loses electrons?
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A positive charge — it becomes a positively charged ion (cation).
What charge does a non-metal atom acquire when it gains electrons?
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A negative charge — it becomes a negatively charged ion (anion).
Ions formed by Group 1, 2, 6 and 7 elements have the electronic structure of a ?.
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noble gas
Which group of the periodic table do the noble gases belong to?
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Group 0.
What type of diagram represents electron transfer when an ionic compound forms?
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A dot and cross diagram (e.g. for sodium chloride).
What charge do ions of Group 1 metals carry?
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1+ — they lose one outer-shell electron.
What charge do ions of Group 2 metals carry?
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2+ — they lose two outer-shell electrons.
What charge do ions of Group 6 non-metals carry?
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2− — they gain two electrons to fill the outer shell.
What charge do ions of Group 7 non-metals carry?
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1− — they gain one electron to fill the outer shell.
What determines the charge on an ion formed by a Group 1, 2, 6 or 7 element?
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The element's group number in the periodic table.
Between which two types of element does ionic bonding occur?
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A metal and a non-metal.
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