FORMATION OF IONS
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Last updated 7:58 AM on 6/15/26
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5 Terms
1
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What is an ion?
A charged particle formed when an atom gains or loses electrons to achieve a full outer shell.
2
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Which groups are most likely to form ions?
Groups 1, 2, 6, and 7 because they require the least energy to reach a full outer shell.
3
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Does a Group 1 element become positive or negative?
Positive (1+), because it loses one negatively charged electron.
4
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If an atom gains electrons, where do you write the 'electron' in the chemical equation?
On the left side, with the atom.
5
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Why don't elements in Group 4 usually form ions?
Because gaining or losing four electrons requires too much energy to be stable.