C2.1/2.2 Revision

Question 1

Why is X an element?

Accepted Answer

Because it is made from only one type of atom

Question 2

Which of these images shows covalent bonding

Accepted Answer

B

Question 3

Which of these images shows ionic bonding

Accepted Answer

C

Question 4

How is the giant covalent structure graphite arranged?

Accepted Answer

In hexagons, Into sheets/layers

Question 5

What has to happen to Calcium to become an ion?

Accepted Answer

Loses 2 electrons

Question 6

Which image represents an alloy?

Accepted Answer

C

Question 7

Which image represents metallic bonding?

Accepted Answer

A

Question 8

Which type of polymer is shown here?

Accepted Answer

Thermosetting

Question 9

Which of these is a compound?

Accepted Answer

Z, Y

Question 10

What type of structure is graphite?

Accepted Answer

Giant Covalent

Question 11

Which of these is another property of ionic compounds?

Accepted Answer

Conducts electricity

Question 12

Ions are made when atoms....

Accepted Answer

lose or gain electrons

Question 13

This is a thermosetting polymer, what feature tells us this?

Accepted Answer

Crosslinks

Question 14

Why can metals be bent and shaped?

Accepted Answer

Layers can slide over eachother

Question 15

Which of these is another property of ionic compounds?

Accepted Answer

Soluble in water

Question 16

What is the definition of covalent bonding?

Accepted Answer

When electrons are shared between atoms

Question 17

Which image represents an element?

Accepted Answer

X

Question 18

Which of these is a property of ionic compounds?

Accepted Answer

Dissolves in water

Question 19

Why are Y and Z compounds?

Accepted Answer

Contain two or more different elements bonded together

Question 20

What type of bonds are between the carbon atoms in graphite?

Accepted Answer

Covalent

Question 21

Name the ions in sodium chloride

Accepted Answer

Sodium & Chloride

Question 22

Why is graphite soft and slippery?

Accepted Answer

Layers can slide over eachother, Weak intermolecular forces between layers, they slide

Question 23

Which of these is a desirable quality of a metal used in a bridge?

Accepted Answer

Low reactivity

Question 24

Why are alloys harder than pure metals?

Accepted Answer

Layers are distorted so layers cannot slide

C2.1/2.2 Revision

Questions 24

C2.1/2.2 Revision

Questions 24