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Year 8 Chemistry revision Flashcards | StudBud
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Year 8 Chemistry revision
Year 8 Chemistry revision
25 terms
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Flashcards
25 cards
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Practice quiz
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Questions
25
Answers
1
Which of the following is not a property of a solid?
Particles are not in a fixed pattern.
Have mass and occupy space
have strong chemical bonds between particles
Has a fixed volume and shape.
2
All substances are broken into two groups...
elements and compounds
pure substances and compounds
mixtures and elements
mixtures and pure substances
3
Which state of matter has the weakest chemical bonds and the fastest particles?
Solid
Liquid
Gas
Plasma
4
What is the element is the atom in the diagram?
Flourine
Nitrogen
Oxygen
Carbon
5
Which element has the atomic number of 7?
Flourine
Oxygen
Nitrogen
Carbon
6
In the diagram, what is the name of the little yellow dot?
electron
neutron
proton
atom
7
What element is represented in this diagram?
Helium
Hydrogen
Lithium
The atom
8
What is the best way to describe the following image?
Element
Compound
both a compound and a molecule
Molecule
9
How many oxygen atoms are in Cu
2
CO
3
(OH)
2
?
4
2
5
3
10
In the diagram below E is
Condensation
Solidification
Sublimation
Evaporation
11
Which element comes next? H He Li Be B...
K
Cl
Ca
C
12
Which of the following is not a sign that a chemical change has occurred?
Gas produced
Temperature change
Colour change
Taste change
13
Which of the following is the best definition of matter?
Particles too small to see.
Anything that has a mass and occupies space (volume)
A subject or situation under consideration.
Everything in the world.
14
How many atoms are in the following: C
12
H
22
O
11
44
45
22
34
15
The following diagram is of... (select the best answer)
a molecule
an atom and a compound
a compound
a element and a molecule
16
Which of these elements are not in the first 20 elements?
Magnesium
Argon
Iron
Calcium
17
The basic building blocks of all matter - both living and non-living is...
molecules
atoms
elements
compounds
18
What element comes next?
Potassium
Calcium
Iron
Aluminium
19
If the a gas is produced, a match is lit and a POP occurs, what substance has been produced
Hydrogen
Carbon dioxide
Gas
Oxygen
20
In the chemical equations below the products are
sodium chloride and copper sulphate
sodium chloride
Sodium
copper, sulphur, sodium and chlorine
21
Atomic mass - atomic number =
number of atoms
number of electrons
number of neutrons
number of protons
22
The three main states of matter are...
liquid, solid, vapour
plasma, super solid and dark matter
solid, gas, liquid and plasma
solid, liquid and gas
23
The image is a...
solid
liquid
gas
picture of colourful dots
24
Which of the following is not a principle of the particle theory of matter?
Particles move faster at higher temperatures.
Only solids and liquids have attractive forces.
Particles are always moving.
There are spaces between particles.
25
The following video is an example of
a physical change
a chemical change
sad :(
