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Group 14 Period 4
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Group 14 Period 4
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group 14 period 4
group 13 period 4
group 13 period 4 element
group 15 period 4
group 14 period 2
group 14 period 2 element
group 4a 14 period 2
this element is in group 14 period 4
group 4a 14 period 4
group 4a 14 and period 2
