Question

Which of the following element is metalloid?) (c) 5.5 2. (a) Hg Oa C l (a) Li, Na, K (b) Zn (c) Sb​

Answer 1

Answer:

(c) Sb Antimony

Explanation:

Antimony is a member of group 15 of the periodic table, one of the elements called pnictogens, and has an electronegativity of 2.05. In accordance with periodic trends, it is more electronegative than tin or bismuth, and less electronegative than tellurium or arsenic.

Antimony is stable in air at room temperature, but reacts with oxygen if heated to produce antimony trioxide, Sb²O³.

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Answer 2

Explanation:

The six commonly recognised metalloids are boron, silicon, germanium, arsenic, antimony, and tellurium.