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Metalloids have properties similar to which of the following groups on the periodic table?
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2. Atoms & Elements
Periodic Table: Classifications
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Which of the following elements is classified as a metal?
A
Ar (argon)
B
S (sulfur)
C
Na (sodium)
D
Ne (neon)
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Understand the classification of elements into metals, nonmetals, and metalloids based on their position in the periodic table and their properties.
Recall that metals are typically found on the left and center of the periodic table and are characterized by properties such as good electrical conductivity, malleability, and luster.
Identify the elements given: Ar (argon), S (sulfur), Na (sodium), and Ne (neon).
Locate each element on the periodic table: Argon and Neon are noble gases (nonmetals) in Group 18, Sulfur is a nonmetal in Group 16, and Sodium is an alkali metal in Group 1.
Conclude that among the options, Sodium (Na) is the metal because it exhibits typical metallic properties and is positioned in the metal region of the periodic table.
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