Topic 1- Elements, Compounds And Mixtures

Question 1

What is the symbol on the periodic table for, hydrogen?

Answer 1

H

Question 2

What is the symbol on the periodic table for, lithium?

Answer 2

Li

Question 3

What is the symbol on the periodic table for, sodium?

Answer 3

Na

Question 4

What is the symbol on the periodic table for, potassium?

Answer 4

K

Question 5

What is the symbol on the periodic table for, magnesium?

Answer 5

Mg

Question 6

What is the symbol on the periodic table for, calcium?

Answer 6

Ca

Question 7

What is the symbol on the periodic table for, barium?

Answer 7

Ba

Question 8

What is the symbol on the periodic table for, aluminium?

Answer 8

Al

Question 9

What is the symbol on the periodic table for, iron?

Answer 9

Fe

Question 10

What is the symbol on the periodic table for, silver?

Answer 10

Ag

Question 11

What is the symbol on the periodic table for, carbon?

Answer 11

C

Question 12

What is the symbol on the periodic table for, silicon?

Answer 12

Si

Question 13

What is the symbol on the periodic table for, lead?

Answer 13

Pb

Question 14

What is the symbol on the periodic table for, nitrogen?

Answer 14

N

Question 15

What is the symbol on the periodic table for, phosphorus?

Answer 15

P

Question 16

What is the symbol on the periodic table for, oxygen?

Answer 16

O

Question 17

What is the symbol on the periodic table for, sulfur?

Answer 17

S

Question 18

What is the symbol on the periodic table for, chlorine?

Answer 18

Cl

Question 19

What is the symbol on the periodic table for, bromine?

Answer 19

Br

Question 20

What is the symbol on the periodic table for, Iodine?

Answer 20

I

Question 21

How many liquids are there on the periodic table?

Answer 21

2

Question 22

List 3 properties of metallic elements

Answer 22

1. Good conductors of heat
2. Usually have high melting/ boiling points
3. Usually malleable

Question 23

List 3 properties of non-metallic elements

Answer 23

1. They tend to be soft and brittle
2. Poor conductors of heat
3. Usually have low melting/ boiling points

Question 24

What is a compound?

Answer 24

A compound is a material that is made up of two or more different elements that are chemically joined together.

Question 25

Name the compound made up of these two elements: iron and sulfur

Answer 25

Iron sulfide

Question 26

Name the compound made up of these two elements: tin and oxygen

Answer 26

Tin oxide

Question 27

Name the compound made up of these two elements: aluminium and bromine

Answer 27

Aluminium bromide

Question 28

Name the compound made up of these three elements: copper, sulfur and oxygen

Answer 28

Copper sulfate

Question 29

Name the compound made up of these three elements: sodium, nitrogen and oxygen

Answer 29

Sodium nitrate

Question 30

Name the compound made up of these three elements: calcium, carbon and oxygen

Answer 30

Calcium carbonate

Question 31

What is a mixture?

Answer 31

A mixture is two or more substances mixed together which are easy to separate

Question 32

What is a molecule?

Answer 32

Two or more atoms joined together. The atoms can be the same or different

Question 33

What is an atom?

Answer 33

The simplest particle of an element that can exist on its own

Question 34

What is an element?

Answer 34

Elements are materials that cannot be split into anything simpler by chemical methods. They contain only one type of atom