Multiple Choice
Which of the following best describes the difference between a period and a group on the periodic table of elements?
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2. Atoms & Elements
Periodic Table: Classifications
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Which of the following elements is classified as a metalloid?
A
Tin
B
Tungsten
C
Boron
D
Aluminum
Verified step by step guidance1
Understand the classification of elements: Metals, nonmetals, and metalloids. Metalloids have properties intermediate between metals and nonmetals.
Recall that metalloids are typically found along the 'stair-step' line on the periodic table, which separates metals and nonmetals.
Identify the elements given: Tin (Sn), Tungsten (W), Boron (B), and Aluminum (Al).
Check the position of each element on the periodic table: Boron is located on the stair-step line, which is characteristic of metalloids.
Conclude that Boron is classified as a metalloid, while Tin and Aluminum are metals, and Tungsten is a transition metal.
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