Chemistry

Question 1

Which out of the 3 types of particles are fixed

Answer 1

Solid

Question 2

Which out of the 3 types of particles can flow

Answer 2

Liquid and gas

Question 3

Which out of the 3 types of particles can be squashed

Answer 3

Gas

Question 4

Which out of the 3 types of particles have a fixed volume

Answer 4

Solid, liquid

Question 5

Which out of the 3 types of particles are the most dense

Answer 5

Solid

Question 6

What are the characteristics of a solid

Answer 6

Touching
Fixed position
Uniform arrangement
Can vibrate

Question 7

What are the characteristics of a liquid

Answer 7

Touching
No fixed position
Flow
Random arrangement

Question 8

What are the characteristics of a gas

Answer 8

Fills container
Random arrangement
Flows
No fixed position
Not touching

Question 9

What are particles moving around described as

Answer 9

Kinetic energy

Question 10

What is a solid into liquid called

Answer 10

Melting

Question 11

What is a liquid into gas called

Answer 11

Evaporating

Question 12

What is a gas into a liquid

Answer 12

Melting

Question 13

What is a liquid into a solid

Answer 13

Freezing

Question 14

What is a solid into a gas

Answer 14

Sublimation

Question 15

What is a gas into a solid

Answer 15

Deposition

Question 16

What is melting point?

Answer 16

0 degrees

Question 17

What is evaporation

Answer 17

A liquid is so hot that particles start to SEPERATE to a gas due to the build up of energy

Question 18

What is condensing

Answer 18

When a gas is so cold the energy starts to break up and making the forces stronger

Question 19

What is diffusion

Answer 19

Diffusion is the process of changing a high concentration substance to a low concentration substance

Question 20

What happens if gas is put into a container

Answer 20

It pushes against the walls, and the particles exert a pressure when they hit the wall, creating a pressure

Question 21

Neutron

Answer 21

No charge
Inside the nucleus
Mass - 1

Question 22

Proton

Answer 22

Has a charge
Inside the nucleus
MAss - 1

Question 23

Electron

Answer 23

Negative charge

Mass - 0

Question 24

Where does diffusion occur

Answer 24

Mostly in gasses, liquids

Question 25

Where does diffusion happen quicker

Answer 25

In warm tempature (as it increases the energy) and in gasses (gas has more energy and moves quicker)

Question 26

What is a mixture

Answer 26

Two or more substances mixed together but not chemically joined

Question 27

What is a solution

Answer 27

Special type of mixture made when a solid dissolves and mixes with a liquid

Question 28

What are suspensions

Answer 28

Where solids are insoluble and mixed with a liquid

Question 29

Solvent

Answer 29

A liquid with dissolves a solute

Question 30

Solute

Answer 30

A soluble solid which can be dissolved in a solvent

Question 31

Soluble

Answer 31

Can be dissolved in a solvent

Question 32

Filtration

Answer 32

Seperating substances to create a filtrate and residue

Question 33

Evaporation

Answer 33

A way to separate a solid dissolved in a liquid by the liquid turning to a gas

Question 34

Chromatography

Answer 34

Used to separate different substances dissolved in the same solvent

Question 35

Liebig condenser

Answer 35

Used to purify water

Question 36

Metal properties

Answer 36

``` Shiny Sonorous Malleable Dense Electricity conductor High melting point Ductile ```

Question 37

Non metal properties

Answer 37

Full Low melting point Brittle Poor conductors of heat

Question 38

How many types of atoms are elements made of

Answer 38

1

Question 39

How many types of atoms are compounds made of

Answer 39

2 or more chemically joined

Question 40

How to write simple compounds

Answer 40

Write the metal | Write the non metal changing the ending to ide

Question 41

How many types of atoms is a mixture made of

Answer 41

2 or more mixed together not chemically

Question 42

Compounds

Answer 42

Contain more than 2 elements

Question 43

How to write 2 elements plus oxygen

Answer 43

Write the metal | Ending of the non metal changes to ate

Question 44

What are the signs of a chemical reaction

Answer 44

Facts

Question 45

What is the neutralisation word equation

Answer 45

Acid + base = salt + water