Revision For Mock

Question 1

Proton has a relative charge of

Answer 1

+1

Question 2

Electron has a relative charge of

Answer 2

-1

Question 3

Neutron has a relative charge of

Answer 3

0

Question 4

Is the atomic number the top number or bottom number

Answer 4

Bottom

Question 5

The top number is the

Answer 5

Atomic number

Question 6

What is the atomic number

Answer 6

The number of electrons is the same as the number of protons

Question 7

What is the mass number

Answer 7

Shows you the total number of protons plus the number of neutrons

Question 8

What are isotopes

Answer 8

Atoms with the same number of protons but a different number of neutrons

Question 9

Mixtures contain

Answer 9

At least two dofferent elements or compounds

Question 10

Three examples of how different parts of a mixture can be seperated

Answer 10

Filtration
Fractional distillation
Crystallisation

Question 11

Mixtures don’t involve

Answer 11

Chemical reactions

Question 12

Filtration used to

Answer 12

Separate an insoluble liquid from a liquid reaction mixture

Question 13

Method of filtration

Answer 13

1.Put some filter paper in a funnel
2.Pour the mixture into the filter paper
3.Make sure the mixture doesn’t go above the filter paper
4.The liquid passes through the paper into the breaker.Whilst the solid is left behind in the filter paper

Question 14

Cr

Question 15

Crystallisation used to

Answer 15

Separate soluble solids from solutions

Question 16

Distillation used to

Answer 16

Separate solutions

Question 17

Fractional distillation used to

Answer 17

Separate a mixture of liquids