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Flashcards in Unit 3 Deck (37)
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1

Where are metals found on the periodic table

Left hand side

2

What are the properties of metals

Sonorous
Shiny
Conducts electricity and heat
Malleable
Ductile
Strong

3

What is metallic bonding

Electrostatic force of attraction between positively charged ions and delocalised electrons

4

What happens when potassium is reacted with water

Purple flames , gassed, pops

5

What happens in a reaction wiry copper ans acid

Nothing- no reaction

6

How can salts be prepared

By reacting metals and acids

7

What gives a soluble salt

Adding excess metal to an acid and filtering the residue , will give a solution of a soluble salt

8

What happens to magnesium when reacted with oxygen

Bright white light

9

What is OIL RIG

Oxidation Is Loss of electrons
Reduction Is Gain of electrons

10

What is a redox reaction

When oxidation and reductions takes place

11

How do u make a redox equation

Add all the equations for oxidation and reduction together

12

What is copper extracted by

Carbon

13

What is electrolysis

Breaking down a compound using electrolysis day

14

Definition of ion bridge

The role of the ion bridge is to completely the circuit it needs to be absorbent

15

What is a fuel cell

An electrochemical cell that produce electricity by combing a fuel eg hydrogen , with oxygen withought burning it

16

What are advantages of the hydrogen fuel cells

The only waste product is water
Hydrogen is readily available
Oxygen comes from the air

17

Definition of monomers

The simple molecules from which polymers are made

18

Definition is polymer

a large molecule made by reacting many small molecules together (monomers)

19

Definition of polymerisation

The reaction in which monomers join together to form polymers

20

Properties of ammonia

Invisible gas
Pungent smell
Very soluble in water
Alkaline gas

21

What is ammonia and nitric acid used for

To produce nitrates for fertilisers

22

What process is ammonia made from for fertilisers

Haber process

23

What makes ammonia , through the haber process

Nitrogen ans hydrogen and an iron catalyst

24

What is produced from the Ostwald process

Nitric acid

25

What is used to make nitric acid

Ammonia , oxygen and water
Platinum catalyst is used

26

What does IHOP stand for

Iron -Haber
Ostwald- Platinum

27

Everyday objects that are radioactive

Rocks
Beer
Bananas
Teeth caps

28

What are the types of radiation

Alpha
Beta
Gamma

29

What stops alpha from travelling

Can be stopped by your hand , and will only travel a few cm in the air

30

What stops beta from travelling

Beta will travel further than alpha and can be stopped by aluminium