Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Chemistry Nat5 > Unit 3 > Flashcards

Unit 3 Flashcards

You may prefer our related Brainscape-certified flashcards:
AP® Chemistry flashcards Periodic Table flashcards Chemistry 101 flashcards Organic Chemistry 101 flashcards
1
Q

Where are metals found on the periodic table

A

Left hand side

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are the properties of metals

A 
Sonorous 
Shiny 
Conducts electricity and heat
Malleable
Ductile 
Strong
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is metallic bonding

A

Electrostatic force of attraction between positively charged ions and delocalised electrons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What happens when potassium is reacted with water

A

Purple flames , gassed, pops

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What happens in a reaction wiry copper ans acid

A

Nothing- no reaction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

How can salts be prepared

A

By reacting metals and acids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What gives a soluble salt

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What happens to magnesium when reacted with oxygen

A

Bright white light

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is OIL RIG

A

Oxidation Is Loss of electrons

Reduction Is Gain of electrons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is a redox reaction

A

When oxidation and reductions takes place

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

How do u make a redox equation

A

Add all the equations for oxidation and reduction together

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is copper extracted by

A

Carbon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is electrolysis

A

Breaking down a compound using electrolysis day

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Definition of ion bridge

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is a fuel cell

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What are advantages of the hydrogen fuel cells

A

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

17
Q

Definition of monomers

A

The simple molecules from which polymers are made

18
Q

Definition is polymer

A

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

19
Q

Definition of polymerisation

A

The reaction in which monomers join together to form polymers

20
Q

Properties of ammonia

A

Invisible gas
Pungent smell
Very soluble in water
Alkaline gas

21
Q

What is ammonia and nitric acid used for

A

To produce nitrates for fertilisers

22
Q

What process is ammonia made from for fertilisers

A

Haber process

23
Q

What makes ammonia , through the haber process

A

Nitrogen ans hydrogen and an iron catalyst

24
Q

What is produced from the Ostwald process

A

Nitric acid

25
Q

What is used to make nitric acid

A

Ammonia , oxygen and water

Platinum catalyst is used

26
Q

What does IHOP stand for

A

Iron -Haber

Ostwald- Platinum

27
Q

Everyday objects that are radioactive

A

Rocks
Beer
Bananas
Teeth caps

28
Q

What are the types of radiation

A

Alpha
Beta
Gamma

29
Q

What stops alpha from travelling

A

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

30
Q

What stops beta from travelling

A

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

31
Q

What strips gamma rays from travelling

A

Travel far and will only be stopped by thick sheets of lead

32
Q

What is alpha deflected away from

A

The positive , as it has a positive nucleus

33
Q

What is beta deflected away from

A

The negative electrode Asia it is similar to an electron

34
Q

Are gamma rays deflect of anything

A

No

35
Q

What is an alpha particle identical to

A

The nucleus of a helium atom (which compares two protons ans two neutrons )

36
Q

What does beta radiation consist of

A

High energy electrons emitted from the electron shells

37
Q

What type is radiation is a gamma radiation

A

Very short wavelength-High frequency-electromagnetic radiation

Chemistry Nat5 (3 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions