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21 Sep 2018

50. Name an element in the third period (row) of the periodic table with the following: a. three valence electrons b. four 3p electrons c. six 3p electrons d. two 3s electrons and no 3p electrons

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50. Name an element in the third period (row) of the periodic table with the following: a. three valence electrons b. four 3p electrons c. six 3p electrons d. two 3s electrons and no 3p electrons

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