Metals, non-metals & metalloids.

Question 1

How are elements on the periodic table classified?

Answer 1

If they are metals, non-metals or metalloids.

Question 2

Name 3 physical properties of metals?

Answer 2

Shine when polished (lustrous), can be bent into new shapes with out breaking (malleable) and can be stretched into wires (ductile).

Question 3

Name 3 metals?

Answer 3

Aluminium, copper, lead, mercury, sodium, tin and zinc are all common metals.

Question 4

Why don’t we use pure metals?

Answer 4

Because they have properties that make them impractical. I.e are too soft to be made into anything.

Question 5

What is an alloy?

Answer 5

A metal combined with another element

Question 6

Name 3 alloys?

Answer 6

Steel, brass, bronze are common alloys.

Question 7

Name 3 properties of non-metals?

Answer 7

Poor conductors of electricity, are brittle, low melting points and are dull.

Question 8

What are allotropes?

Answer 8

Pure carbon

Question 9

Name 3 allotropes?

Answer 9

Diamond, amorphous carbon and graphite.

Question 10

What are metalloids?

Answer 10

Semi-metals

Question 11

Name the only metal that is liquid at room temp?

Answer 11

Mercury