Question

WHAT ARE METALLOIDS ?GIVE TWO EAXMPLE AND WRITE THREE USES

Answer 1

Answer:

those which have properties of metals and non metals are known as metalloids. their valency is 4.

ex:boron,silicon

Answer 2

The elements which have some properties of metals and some properties of non metals are called metalloids.

arsenic, antimony and germanium are some examples of metalloids.

Three uses of metalloids:

1.They are used in alloys.

2.They are used in manufacturing electric resistors.

3.They are used in optical storage.