Question

Question 22
The element with atomic number 14 is hard and forms acidic oxide and a covalent halide. To which of the following categories does the element belong?

(a) Metal
(b) Metalloid
(c) Non-metal
(d) Left-hand side element

Answer 1

Option (b) is correct.
The metalloids; Boron (B), Silicon (Si), Germanium (Ge), Arsenic (As), Antimony (Sb),Tellurium (Te),Polonium (Po) and Astatine (At) are the elements found along the step like line between metals and non-metals of the periodic table. They generally have 4 electrons n their valence shell and hence form covalent compounds.