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Which element is classified as a metalloid?(1) Cr (2) Cs (3) Sc (4) Si

June 2018 NY Regents Chemistry Exam

6 Which element is classified as a metalloid? (1) Cr

(2) Cs

(3) Sc

(4) Si

Solution:Metalloids are on the staircase on the Periodic Table and include: B, Si, Ge, As, Sb, Te.

Answer: 4

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