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开始学习

问题		答案
Where are metalloids found on the periodic table 开始学习		They are placed on the right side of the periodic table
Which elements are metalloids? List their symbols. 开始学习		B, Si, Ge, As, Sb, Te, Po
What are two uses for metalloids? 开始学习		are used in semiconductors and alloys
Where are noble gases found on the periodic table? 开始学习		Noble gases are located in Group 18
Which elements are classified as noble gases? List their symbols 开始学习		He, Ne, Ar, Kr, Xe, Rn
Which elements are classified as nonmetals? List their symbols. 开始学习		H, C, N, O, P, S, Se
What does the termin "halogen" mean? 开始学习		Halogens are elements that react with metals to from salts
Which elements are classified as halogens? List Their symbols. 开始学习		F, Cl, Br, I, At
Where do you find transition metals on the periodic table 开始学习		Transition metals are located in the center of the periodic table, in groups 3 to 12

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