Section A Particles

Question 0

What is diffusion?

Answer 0

Diffusion is the movement of particles through a liquid or gas

Question 1

What is sublimation?

Answer 1

Solid to Gas or vice versa

Question 2

What is the name given to this state?

Solid ⏩ Liquid

Answer 2

Melting

Question 3

What is the name given to this state?

Liquid ⏩ Solid

Answer 3

Freezing

Question 4

What is the name given to this state?

Solid ⏩ Gas

Answer 4

Sublimation

Question 5

What is the name given to this state?

Gas ⏩ Solid

Answer 5

Deposition

Question 6

What is the charge of a proton?

Answer 6

+

Question 7

What is the charge of an electron?

Answer 7

-

Question 8

What is the number of protons called in an atom?

Answer 8

Atomic Number

Question 9

What is the Mass Number?

Answer 9

Number of protons + number of neutrons

Question 10

What is an isotope?

Answer 10

Atoms that have the same atomic number but different mass numbers.

Question 11

What is this element?

2.4

Answer 11

Carbon, C

Question 12

What is this element?

2.8.8

Answer 12

Argon, Ar

Question 13

what is this element?

2.8.9

Answer 13

Potassium, K

Question 14

What is covalent bonding?

Answer 14

A shared pair of electrons between different atoms

Question 15

What is ionic bonding?

Answer 15

The transfer of electrons

Question 16

What is oxidation in terms of electrons?

Answer 16

The loss of electrons.

Question 17

What does reduction mean in terms of electrons?

Answer 17

The gain of electrons.

Question 18

What is an intermolecular force?

Answer 18

Forced of attraction between separate molecules

Question 19

What are ions?

Answer 19

An atom or group of atoms which carries an electrical charge, either positive of negative

Question 20

What is filtration?

Answer 20

Separation of insoluble solids from a liquid

Question 21

What is crystallisation?

Answer 21

Separation of soluble solids from a solution

Question 22

What is distillation?

Answer 22

Separation of solutions

Question 23

What is chromatography?

Answer 23

Separation of dyes

Question 24

What does malleable mean?

Answer 24

Is easily beaten into shape

Question 25

What does ductile mean?

Answer 25

Can be pulled out into wires

Question 26

What is an alloy?

Answer 26

A mixture of two metals to make a stronger metal

Question 27

What is a giant structure?

Answer 27

Ions held together in a closely packed attraction between oppositely charged ions

Question 28

What is a catalyst?

Answer 28

Substances that speed up a chemical reaction, and also proved a quicker and alternate route for the reaction to happen with a lower activation energy.