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Flashcards in Elements Deck (29):
1

What percentage of Aluminium makes up the Earth’s crust?

8%

2

Aluminium is the third most abundant element after?

Oxygen and Silicon

3

What are the main properties of Aluminium?

Low density
Non-toxic
Thermal conductor
Electrical conductor
Corrosion resistant
Non-magnetic

4

Aluminium is mixed with what elements to make it strong?

Copper
Manganese
Magnesium
Silicon

5

What are the main uses of Aluminium?

Transportation
Construction
Packaging
Cooking Utensils

6

What element was first to be smelted from its ore in 5000 BC?

Copper

7

What are the main properties of Copper?

Electrical conductor
Thermal conductor
Corrosion resistant
Non-magnetic
Antibacterial

8

What are the main uses of Copper?

Electrical Wires
Roofing and Plumbing
Industrial Machinery
Coins

9

What element is the eighth most abundant in the Earth’s crust?

Magnesium

10

Magnesium makes up what percentage of the planet’s mass?

13%

11

Which element is the fourth most common in the Earth after Iron, Oxygen and Silicon?

Magnesium

11

What are the main properties of Magnesium?

Chemically reactive
Lightweight

12

What percentage of silicate minerals make up the Earth’s crust?

90%

13

Who discovered Titanium and in what year?

William Gregor in 1791

14

What are the main properties of Titanium?

High strength
Lightweight
Corrosion resistant
Non-magnetic
Low density

15

Platinum is mostly found in which country and counts to what percentage of production?

South Africa
80%

16

Nickel was first isolated and classified by who and in what year?

Axel Fredrik Cronstedt in 1751.

17

What element is the 24th most abundant in the Earth’s crust?

Zinc

18

Who discovered Zinc and in what year?

Andreas Sigismund Marggraf in 1746.

19

What element is the fifth most abundant in the Earth’s crust?

Calcium

20

What element is the third most abundant after Iron and Aluminium?

Calcium

21

Who discovered Calcium and in what year?

Humphry Davy in 1808

22

Which element is the fifth most abundant in the human body?

Calcium

23

Who discovered Palladium and in what year?

William Hyde Wollaston in 1803

24

What element is the 15th most abundant in the Earth’s crust?

Carbon

26

What is the 2nd most abundant element in the human body?

Carbon
18.5%

27

Who discovered Germanium and in what year?

Clement Winkler in 1869

28

Who discovered Iridium and in what year?

Smithson Tennant in 1803

29

Sodium was first isolated by who and in what year?

Humphry Davy in 1807