Chapter 4 - Metallic Bonding

Question 1

First Stage of Iron Production

Answer 1

C + O2 ➡️ CO2

Question 2

Second Stage of Iron Production

Answer 2

CO2 + C ➡️ 2CO

Question 3

Third Stage of Iron Production

Answer 3

3CO + Fe2O3 ➡️ 2Fe + 3CO2

Question 4

First Stage of Impurity Extraction

Answer 4

CaCO3 ➡️ CaO + CO2

Question 5

Second Stage of Impurity Extraction

Answer 5

CaO + SiO2 ➡️ CaSiO3

Question 6

Alloy

Answer 6

A material containing several different metals combined together.

Question 7

Blast Furnace

Answer 7

A furnace used to smelt metal ore into its pure form.

Question 8

Circular Economy

Answer 8

An economy in which raw materials are extracted and used to create a product, which is then recycled and reused (as opposed to throwing it away).

Question 9

Coke

Answer 9

A substance created from heating coal, containing mostly carbon.

Question 10

Conductor

Answer 10

A material, such as a metal, that allows for the transfer of heat and electricity.

Question 11

Crystal

Answer 11

A region where particles are arranged in a particular way, for example a lattice in a metal solid.

Question 12

Delocalized Electron

Answer 12

An electron that is not attached to an atom.

Question 13

Density

Answer 13

The mass of a substance per unit of volume. Example: 10 grams per cm cubed.

Question 14

Ductile

Answer 14

Able to be drawn out into a thin wire without breaking.

Question 15

E-Waste

Answer 15

Discarded electrical or electronic devices, such as phones.

Question 16

Effective Nuclear Charge

Answer 16

The charge of an atom’s nucleus and it’s inner shells.

Question 17

Ferrous

Answer 17

A metal containing iron.

Question 18

Inert

Answer 18

A substance that is unreactive, such as gold.

Question 19

Ionisation Energy

Answer 19

The energy required to remove an electron from an atom.

Question 20

Lattice

Answer 20

A regular arrangement of particles.

Question 21

Limestone

Answer 21

Calcium carbonate; a rock used to remove impurities from iron ore.

Question 22

Linear Economy

Answer 22

An economy in which raw materials are used to create a product, which is then thrown away after use.

Question 23

Lustrous

Answer 23

Shiny

Question 24

Malleable

Answer 24

Able to be bent or hammered into shape without breaking.

Question 25

Metallic Bonding

Answer 25

Chemical bonding between metal elements. Results in the creation of a lattice of positive metal ions, with a sea of delocalised electrons flowing through it.

Question 26

Mineral

Answer 26

A naturally occurring substance in the solid state.

Question 27

Molten

Answer 27

A metal in the liquid state.

Question 28

Ore

Answer 28

A mineral from which a metal can be extracted, such as iron ore.

Question 29

Reactivity Series

Answer 29

The ordering of elements from least reactive to most reactive.

Question 30

Scrap Metal

Answer 30

Metals recovered for recycling.

Question 31

Slag

Answer 31

A stony byproduct of the iron smelting process.

Question 32

Smelting

Answer 32

The extraction of metal from its ore, by heating and melting.

Question 33

Steel

Answer 33

A strong alloy made up of iron, carbon, and other elements.

Question 34

Properties of Metals

Answer 34

Malleable, ductile, lustrous, high melting/boiling points, good conductors of heat and electricity.

Question 35

Haematite

Answer 35

Iron(III) Oxide

Question 36

Magnetite

Answer 36

Iron (IV) Oxide

Question 37

Pyrite

Answer 37

Iron(IV) Sulfide