Why is calcium (Ca) in group 2, period 4 on the periodic table?
(A) Calcium, like all group 2 elements, is nonreactive and a gas at room temperature
(B) Calcium, like all period 4 elements, is nonreactive and a gas at room temperature
© Calcium, like all group 2 elements, is reactive and a solid at room temperature.
D Calcium, like all period 4 elements, is reactive and a solid at room temperature.
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Why is calcium (Ca) in group 2, period 4 on the periodic table?
(A) Calcium, like all group 2 eleme...
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