Multiple Choice
How many elements are classified as halogens on the modern periodic table?
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2. Atoms & Elements
Periodic Table: Group Names
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Which of the following is a metalloid that is also a chalcogen?
A
B
B
Ge
C
Te
D
As
E
Cl
Verified step by step guidance1
Identify the elements listed in the problem: B (Boron), Ge (Germanium), Te (Tellurium), As (Arsenic), and Cl (Chlorine).
Understand the definition of a metalloid: Metalloids have properties intermediate between metals and nonmetals. Common metalloids include B, Si, Ge, As, Sb, and Te.
Understand the definition of a chalcogen: Chalcogens are elements in Group 16 of the periodic table, which include O, S, Se, Te, and Po.
Determine which element is both a metalloid and a chalcogen: From the list, Te (Tellurium) is the only element that fits both categories.
Conclude that Tellurium (Te) is the metalloid that is also a chalcogen, as it is in Group 16 and exhibits properties of a metalloid.
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