Give the symbol of element described by each of the following: a. Group 4A (14), Period 2 b. the noble gas in period 1 c. the alkali metal in period 3 d. Group 2A (2), Period 4 e. Group 3A (13), period 3
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Give the symbol of the element described by each of the following: a. the alkaline earth metal in Period 2 b. Group $5 \mathrm{~A}(15)$, Period 3 c. the noble gas in Period 4 d. the halogen in Period 5 e. Group $4 \mathrm{~A}$ (14), Period 4
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Give the symbol of the element described by each of the following: a. an alkaline earth metal in Period 2 b. Group $5 \mathrm{A}(15),$ Period 3 c. a noble gas in Period 4 d. a halogen in Period 5 e. Group $4 \mathrm{A}(14),$ Period 4
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