(a) S(b) O(c) H(d) C(e) a halogen(f) N
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68. Classify each element as an alkali metal, alkaline earth metal halogen, or noble gas. a. F b. Sr c. K d. Ne e. At
67. Classify each element as an alkali metal, alkaline earth metal, halogen, or noble gas. a. sodium b. iodine c. calcium d. barium e. krypton
a) What is the name of the alkali metal that is in Period 6?b) What is the name of the halogen that is in Period 6?c) What is the name of the alkaline earth metal that is in Period 3?d) What is the name of the noble gas that is in Period 3?
