Paper 1- Particles and Mixtures

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

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Front (Question)

Describe the arrangement, movement and energy of a solid

Back (Answer)

• Strong forces of attraction between particles • this holds them close together • in fixed positions • particles don’t move so keep a definite shape and volume • particles vibrate about their positions

Front (Question)

Describe the arrangement, movement and energy of a liquid

Back (Answer)

• weak force of attraction between particles • randomly arranged and free to move • tend to stick closely together • particles are constantly moving

Front (Question)

Describe the arrangement, movement and energy of a gas

Back (Answer)

• force of attraction between particles is very weak • particles are free to move and are far apart • don’t have a definite shape/ volume

Front (Question)

solid to gas =

Back (Answer)

subliming

Front (Question)

solid to liquid=

Back (Answer)

melting

Front (Question)

liquid to solid=

Back (Answer)

freezing

Front (Question)

liquid to gas=

Back (Answer)

evaporating

Front (Question)

gas to liquid=

Back (Answer)

condensing

Front (Question)

definition of diffusison

Back (Answer)

movement of particles from an area of high concentration to an area of low concentration

#10

Front (Question)

How does the experiment between potassium manganate and water demonstrate the movement of particles

Back (Answer)

1) take beaker of water and place potassium manganate at the bottom - purple colour slowly spreads out to fill the beaker • particles of potassium manganate are diffusing out among the particles of water • its the random motion of particles in a liquid that allows this to happen

#11

Front (Question)

How does the experiment between ammonia and hydrogen chloride demonstrate the movement of particles

Back (Answer)

-a white ring of ammonium chloride forms closest to the cotton wool soaked in hydrochloric acid in the glass tube

#12

Front (Question)

How does the experiment between bromine gas and air demonstrate the movement of particles

Back (Answer)

• fill half a gas jar full of bromine gas and the other half full of air, separate gases with a glass plate • when you remove the glass plate, bromine slowly diffuses through the air • the random motions of particles means the bromine will eventually diffuse through the air

#13

Front (Question)

Definition of solvent

Back (Answer)

the liquid its dissolving into

#14

Front (Question)

Definition of solute

Back (Answer)

The substance being dissolved

#15

Front (Question)

Definition of solution

Back (Answer)

A mixture of solute and a solvent that doesn’t separate out

#16

Front (Question)

Definition of saturated solution

Back (Answer)

A solution where the maximum amount of solute has been dissolved

#17

Front (Question)

Definition of solubility

Back (Answer)

A measure of how much solute will dissolve in a solvent

#18

Front (Question)

Equation for solubility

Back (Answer)

solubility = mass of solid(g)/ mass of water removed (g) x 100

#19

Front (Question)

What do atoms contain

Back (Answer)

protons neurons electrons

#20

Front (Question)

What is the relative mass and relative charge for a proton

Back (Answer)

relative mass- 1 relative charge- +1

#21

Front (Question)

What is the relative mass and relative charge for a neutron

Back (Answer)

relative mass- 1 relative charge- 0

#22

Front (Question)

What is the relative mass and relative charge for an electron

Back (Answer)

relative mass- 0.0005 relative charge- -1

#23

Front (Question)

definition of an atom

Back (Answer)

the smallest part of an element that can exist

#24

Front (Question)

Definition of a molecule

Back (Answer)

A molecule is a group of 2 or more atoms joined together by covalent bonds