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What are the elements in Period 2 that are metals?
Lithium and Beryllium
There is a thicker line on the right side of and all touching that line are (except for aluminium, which is a metal. The metalloids are B, Si, Ge, As, Sb, Te, and Po. All elements left of the metalloids are metals and all elements right of the metalloids are nonmetals. The exception is hydrogen, which is a nonmetal. In period 2, the elements left of the metalloid, boron, are lithium and beryllium.