Mock Yr 11 (topic 1,6,7,8,9)

Question 1

What’s the current model of the atom called

Answer 1

Bohr model

Question 2

Relative mass of a proton and a neutron

Answer 2

1

Question 3

Relative charge of a proton

Answer 3

+1

Question 4

Relative charge of a neutron

Answer 4

0

Question 5

Relative mass of a electron

Answer 5

0.0005

Question 6

Relative mass of an electron

Answer 6

-1

Question 7

Define an isotope

Answer 7

Isotopes are different forms of the same element, but have a different amount of neutrons

Question 8

Amount of electrons in the first shell

Answer 8

2

Question 9

Amount of electrons in the 2nd and 3rd shell

Answer 9

8

Question 10

Covalent bonding is…

Answer 10

When 2 atoms share a pair of electrons

Question 11

Name 3 giant covalent structures

Answer 11

Diamond
Graphite
Graphene

Question 12

Properties of metallic bonding

Answer 12

Sea of delocalised electrons
Malleable
Strong electrostatic attraction
High melting and boiling pionts

Question 13

The Mole number

Answer 13

23
6.02 x 10

Question 14

Moles formula

Answer 14

Mole=Mass in g
—————
Relative atomic or formula mass

Question 15

Concentration formula

Answer 15

Concentration=solute mass
——————
Solution volume

Question 16

Group metals 1 name

Answer 16

The alkali metals

Question 17

Why is group 1/alkali metals so reactive

Answer 17

They only have one outer electron

Question 18

Group 7 name

Answer 18

Halogens

Question 19

Describe a displacement reaction

Answer 19

A more reactive halogen replacing a less reactive one