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Chemistry, 08.12.2020 18:40 Rogeartest4

Which element is in Group 2 and Period 7 of the Periodic Table? A)
radium
B)
manganese
c)
magnesium
D)
Radon

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Which element is in Group 2 and Period 7 of the Periodic Table? A)
radium
B)
mang...
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