Scelta multipla
Which of the following lists contains at least one metal?
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2. Atoms & Elements
Periodic Table: Classifications
Scelta multipla
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)
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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 near the stair-step 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 based on its position and properties on the periodic table.
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