Multiple Choice
Where are the most active metals located 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 metalloid on the periodic table?
A
Fe (Iron)
B
Na (Sodium)
C
Si (Silicon)
D
O (Oxygen)
Verified step by step guidance1
Understand the classification of elements on the periodic table: metals, nonmetals, and metalloids. Metalloids have properties intermediate between metals and nonmetals.
Recall that metalloids are typically found along the 'stair-step' line that divides metals and nonmetals on the periodic table.
Identify the given elements: Fe (Iron) is a metal, Na (Sodium) is an alkali metal, O (Oxygen) is a nonmetal, and Si (Silicon) is located along the metalloid line.
Recognize that Silicon (Si) exhibits properties of both metals and nonmetals, such as semiconducting behavior, which is characteristic of metalloids.
Conclude that among the options, Silicon (Si) is classified as a metalloid on the periodic table.
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