Brainscape's Knowledge GenomeTM

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


See full index

Chemistry > C1 > Flashcards

C1 Flashcards

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

What is the names of atoms that lose or gain electrons

A

Ions

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

What is the name of atoms lose or gain neutrons

A

Isotopes

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

What are mixtures

A

Mixtures are made of 2 or more substances that are NOT chemically combined

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

What are the 3 ways mixtures can be separated

A

Filtration
Crystallisation
Distillation

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

What equipment is used in filtration

A

Filter paper and a funnel, conical flask

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

What equipment is used in crysallisation

A

Bunsen burner and evaporating dish

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

What equipment is used in distillation

A

Flask, bunsen burner, heat proof mat, thermometer, condenser

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

What is distillation used for?

A

Separating liquids and solids but then keeping the liquid and solid (such as a salt solution)

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

What are Hydrogen’s three isotopes?

A

Protium
Deuterium
Tritium

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

What is protium used in?

A

Hydrogen fuel cells
Production of plastics

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

How much of hydrogen atoms are protium?

A

99.98%

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

How many protons and neutrons does Protium have?

A

1 Proton 0 Neutrons

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

How much of hydrogen is deutrium?

A

0.02%

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

What is Deuterium used for?

A

Nuclear Fusion

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

What is Tritium used for?

A

Thermonuclear fusion weapons

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

Why are Noble gases used in light bulbs?

A

Because they do not react with the hot metal filament

17
Q

What change did Mendeleev make?

A

He left gaps in the Periodic table for undiscovered elements which made sure the discovered elements were in the right place

18
Q

How did Mendeleev order the elements?

A

By their relative atomic mass (RAM)

19
Q

What are Diatomic molecules?

A

Molecules made up of pairs of atoms
Eg Cl 2

20
Q

What are formed when metals and non-metals react?

A

Ionic compound
All ions have a full outer shell

21
Q

Properties of Noble gases

A

Colourless
Low density
Low boiling points
Inert
Monatomic

22
Q

Properties of halogens

A

Form salts
Get less reactive as you go down the group
Diatomic molecules

23
Q

What colour when Lithium reacts with oxygen

A

Burns with a red flame

24
Q

What happens when Lithium floats on water?

A

Hydrogen gas is released

25
Q

What colour does Sodium burn when reacted with oxygen

A

Yellow/Orange

26
Q

What happens when Sodium reacts with water?

A

Moves quickly across the surface of the water

27
Q

What happens to Potassium in water

A

It floats but is more aggressive in reacting than Sodium

28
Q

What colour flame does Potassium burn in oxygen?

A

Lilac flame

29
Q

What happens when Group 1 metals react with water?

A

The energy released is enough to melt the metals

30
Q

Properites of Transition metals

A

Higher density
Lower reactivity
Greater strength
Higher melting points

31
Q

Where are Transition metals in the Periodic table?

A

In between Groups 2 and 3

32
Q

Other Transition metal properties

A

Can form ions with different positive charges
Iron 2+ and Iron 3+

33
Q

Other Transition metal properties

A

Form different colour compounds
Copper (I) is white and Copper (II) is blue

34
Q

Other Transition metal properties

A

Used as Catalysts
Platinum are used in catalytic converters in cars

35
Q

Concentration =

A

No. Moles/volume

36
Q

To find Concentration of Acid or Alkali?

A

Titration

Chemistry (9 decks)

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