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Standard VII

Chemistry

Physical Properties of Metals

Identify the ...

Question

Identify the following elements like metal, nonmetal, or semimetal (metalloid):

(A) Fr (B) Pd (C) I (D) B (E) Sc

(A) Fr: Metal; (B) Pd: Metal; (C) I: Non-metal; (D) B: Semi-metal; (E) Sc: Metal

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(A) Fr: Metal; (B) Pd: Non-metal; (C) I: Non-metal; (D) B: Semi-metal; (E) Sc: Metal

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(A) Fr: Metal; (B) Pd: Metal; (C) I: Non-metal; (D) B: Semi-metal; (E) Sc: Semi-metal

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None of the above

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Solution

The correct option is A (A) Fr: Metal; (B) Pd: Metal; (C) I: Non-metal; (D) B: Semi-metal; (E) Sc: Metal
Metals are present on the left corner while non-metals are present on the right corner of the periodic table. So Na, K, Mg, Fr, Pd, Sc are metals while I, Ne, F are non-metals.

Metalloid, a chemical element with properties intermediate between those of typical metals and nonmetals. Usually considered under this classification are the chemical elements boron-B, silicon, germanium, arsenic, antimony, and tellurium.

Hence, the correct option is $A$

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Identify the following elements like metal, nonmetal, or semimetal (metalloid):(A) Fr (B) Pd (C) I (D) B (E) Sc

Identify the following elements like metal, nonmetal, or semimetal (metalloid):

(A) Fr (B) Pd (C) I (D) B (E) Sc