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2016-02-20T13:53:29+05:30

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Potassium is more reactive than lithium, since although they both need to lose one electron to have full outer shells, potassium's outer electron is furthest from the positive attractions of the nucleus. Therefore, it is easier for potassium to lose its outer electron than it is for lithium.

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2016-02-20T19:15:25+05:30
K is more reactive than Li as k lies after the Li
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