The periodic Table

Question 1

What is an element?

Answer 1

A substance that contain only 1 type of atom

Question 2

What is an atom?

Answer 2

The smallest part of an element. It behaves the same way as an element

Question 3

What is a compound?

Answer 3

It is a subtance that contains 2 or more elements that are chemically joined/combined together.

Question 4

What is a mixture?

Answer 4

A mixture are two or more different substances that are combined to each other but no chemically joined.

Question 5

Maleable

Answer 5

It just bends (metal)

Question 6

Brittle

Answer 6

It breaks (non metal)

Question 7

Sonorus

Answer 7

When you hit it and it is empty and sounds

Question 8

Name the 30 elements and symbols

Answer 8

All the elements and symbols

Question 9

In the periodic table there are __ natural elements and ___ in total

Answer 9

92 matural elements and 118 in total

Question 10

What are the characteristics of materials?

Answer 10

The characteristics of materials are called properties and compounds properties are very different to the properties of the elements in them remember the experiment of burning magnesium metal in oxygen or reacting sulfur and iron

Question 11

What are the compound rules?

Answer 11

• 2 metals doesn’t compound together
• 2 non-metals can go togehter
• First part doesn’t change name
• Second part does change name

Question 12

Scientists ___ see atoms so _____________

Answer 12

Scientists can’t see atoms so they use models to represent them

Question 13

Common mixtures, compunds and elements

Answer 13

Mixtures:

• oli and water
• sat and sugar
• magnesium and sulfur

Compund:

• silicon dioxide
• potassium nitrate
• sodium hydroxide

Elements:

• zinc
• iron copper

Question 14

Groups go

Answer 14

Down

Question 15

Periods go

Answer 15

Across

Question 16

1

Answer 16

Alkali metals

Question 17

2

Answer 17

Alkaline earth

Question 18

3

Answer 18

Transition metal

Question 19

4

Answer 19

Semi-metal

Question 20

5

Answer 20

Non-metal

Question 21

6

Answer 21

Basic metal

Question 22

7

Answer 22

Halogen

Question 23

8

Answer 23

Noble gases

Question 24

9

Answer 24

Lanthanide

Question 25

10

Answer 25

Actinide

Question 26

0 noble gas

Question 27

Elements in some groups have ______

Answer 27

Similar chemical reactions

Question 28

Test for hydrogen gas

Answer 28

Squeaky pop— compound magnesium chloride + hydrogen.

Question 29

Test for oxygen gas

Answer 29

Relit a glowing splint— with hydrocloric acid and if it relits it means that there is oxygen

Question 30

Test for carbon dioxide

Answer 30

Lime water turns clowdy— hydrocloric acid and lime water, lime water will go clowdy becuase there is carbon dioxide

Question 31

What are the 4 vital non-metals

Answer 31

Hydrogen, carbon, nitrogen and oxygen

Question 32

O properties

Answer 32

We need O to stay alive, in it’s free state, oxygen is a gas without color, smell or taste.

Question 33

H properties

Answer 33

Lighter than air, gas sithout color smell and taste and rocket fuel

Question 34

C properties

Answer 34

2 main types of pure carbon which are diamond and graphite, huge variety of shapes and it is strong and abundant

Question 35

N properties

Answer 35

Low melting and boiling point, it is common and it is a gas without color, smell and taste

Question 36

-ites

Answer 36

Is udes in ghe compund name is it is only 2 element in compound e.g— FeS= iron sulfide EXCEPT magnesium hydroxide. NO oxygen

Question 37

-ates

Answer 37

Is 3 elements and one is oxygen e.g Lithium Carbonate. WITH oxygen

Question 38

The properties of compunds are ___ to the properties of elements in them

Answer 38

Very different