Question

21.) Silicon is a semiconductor and has properties of both metals and
nonmetals. What type of element is Silicon?
a)Metal
b)Nonmetal
c)Metalloid
d)None of these​

Answer 1

Answer:

c) Silicon is a Metalloid

Explanation:

Silicon is a metalloid since;

1. A metalloid is an element that has properties that are intermediate between those of metals and nonmetals. Metalloids can also be called semimetals.
2. Metalloids are semiconductors because they are neither good nor poor conductors. The valence electrons of metals are not bound to any particular atom. Their electronic structures are intermediate between those of metals and nonmetals. Thus, they conduct electricity better than nonmetals but not as well as metals.

Answer 2

Option (c) Metalloid is type of element is silicon  

Explanation:

• Silicon is characterized as a metalloid because it has a shiny look but is weak.
• Boron, arsenic, and antimony are metalloids that have a variety of applications.

• A metalloid is a material with properties that fell between metals and nonmetals. Semimetals are another name for metalloids.

• Because metaloids are neither good nor bad conductors, they are classed as semiconductors. Metals  valence electrons are not linked to any particular atom.

• These have electronic structures that really are midway between metals and nonmetals.

• They conduct electricity more effectively  than nonmetals but not as effectively as metals.