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Study sets matching "yr 8 chemistry"

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Study sets matching "yr 8 chemistry"

61 terms
Year 8 Chemistry Revision
Electron
Nucleus
Positive
Neutral
Which out of the following is the smallest particle in an ato…
What is the name of the middle of the atom where neutrons and…
What is the electric charge on a proton? Negative, Positive o…
What is the electric charge on a Neutron? Negative, Positive…
Electron
Which out of the following is the smallest particle in an ato…
Nucleus
What is the name of the middle of the atom where neutrons and…
25 terms
Year 8 Chemistry
atom
atomic number
boiling point
bond
a very small particle that makes up all things
the number of protons in the nucleus; it is written in the pe…
the temperature at which a liquid changes to a gas
the force that holds particles of matter such as atoms together
atom
a very small particle that makes up all things
atomic number
the number of protons in the nucleus; it is written in the pe…
133 terms
Year 8 Chemistry Revision
Hydrogen
Red
Below
Sour
Acids always contain this element
The colour acids turn litmus paper
Acids have a pH ABOVE/BELOW 7
Solutions of acids taste ..................
Hydrogen
Acids always contain this element
Red
The colour acids turn litmus paper
18 terms
Year 8 Chemistry
Element
Compound
chemical change
physical change
a pure substance made up on ony one type of atom e.g. hydrogen
a substance made up of two or more different types of atoms b…
a change that results in a new substance being formed, not re…
a change in the appearance of a substance, still made of the…
Element
a pure substance made up on ony one type of atom e.g. hydrogen
Compound
a substance made up of two or more different types of atoms b…
22 terms
Year 8 Chemistry
Physical properties
Chemical properties
States of matter
Compressed
describes how substances look and act (e.g. appearance, melti…
how substances react with other substances
solid, liquid, gas
squashed
Physical properties
describes how substances look and act (e.g. appearance, melti…
Chemical properties
how substances react with other substances
38 terms
Year 8 Chemistry Revision
Electron
Nucleus
Positive
Neutral
Which out of the following is the smallest particle in an ato…
What is the name of the middle of the atom where neutrons and…
What is the electric charge on a proton? Negative, Positive o…
What is the electric charge on a Neutron? Negative, Positive…
Electron
Which out of the following is the smallest particle in an ato…
Nucleus
What is the name of the middle of the atom where neutrons and…
20 terms
year 8 chemistry
mixture
homogenous
hetrogenous
pure substance
A combination of two or more substances that are not chemical…
Of the same kind
Not uniform throughout
Matter that always has exactly the same composition
mixture
A combination of two or more substances that are not chemical…
homogenous
Of the same kind
65 terms
Chemistry year 8
atom
element
compound
mixture
tiny building block making up all materials
one type of atom
more than one type of atom bonded together
more than one chemical (not bonded) that can be separated wit…
atom
tiny building block making up all materials
element
one type of atom
21 terms
Year 8 Chemistry
Atom
Proton
Neutron
Electron
A very small particle that makes up all things.
A positively charged subatomic particle
A subatomic particle with no charge
A very light subatomic particle with negative charge
Atom
A very small particle that makes up all things.
Proton
A positively charged subatomic particle
27 terms
Year 8 Chemistry - Water
Mixture
Pure
Impure
Solution
Two or more elements or compounds in the same space but not c…
Only made up of one element or compound
Made up of two or more elements or compounds
The mixture of a liquid with a soluble solid or a gas
Mixture
Two or more elements or compounds in the same space but not c…
Pure
Only made up of one element or compound
23 terms
Year 8 Chemistry - Elements
Classify
Element
Atom
Mixture
Placing things in their groups according to their characteris…
Made from atoms that are all the same type. A substance that…
The smallest particle of an element that can exist.
Two or more different kinds of particles that are jumbled up…
Classify
Placing things in their groups according to their characteris…
Element
Made from atoms that are all the same type. A substance that…
13 terms
Year 8 Chemistry
reactive
unreactive
magnesium oxide
copper carbonate
alkali metals are...
noble gases are...
Magnesium + Oxygen
copper + carbon + oxygen
reactive
alkali metals are...
unreactive
noble gases are...
23 terms
Year 8 Chemistry - Elements
Classify
Element
Atom
Mixture
Placing things in their groups according to their characteris…
Made from atoms that are all the same type. A substance that…
The smallest particle of an element that can exist.
Two or more different kinds of particles that are jumbled up…
Classify
Placing things in their groups according to their characteris…
Element
Made from atoms that are all the same type. A substance that…
132 terms
Year 8 Chemistry Revision
Hydrogen
Red
Below
Sour
Acids always contain this element
The colour acids turn litmus paper
Acids have a pH ABOVE/BELOW 7
Solutions of acids taste ..................
Hydrogen
Acids always contain this element
Red
The colour acids turn litmus paper
23 terms
Year 8 Chemistry - Reactions
Physical Change
Chemical Change
Bonds
Chemical formula
A change where no new substances are formed
A change which forms one or more new substances
Forces holding particles together
A combination of symbols and numbers that shows how many atom…
Physical Change
A change where no new substances are formed
Chemical Change
A change which forms one or more new substances
150 terms
MTBS Yr8 Chemistry End Of Year Revision
If a substance gains oxygen it is
If a substances loses oxygen it is
The colour of Copper Carbonate is
Copper Carbonate turns _________ when…
Oxidised
Reduced
Green
Black
If a substance gains oxygen it is
Oxidised
If a substances loses oxygen it is
Reduced
27 terms
Year 8 Chemistry
Atoms
Chemistry
Proton
Neutron
The smallest units of matter.
The study of atoms and how they react together.
Located in the centre of the atom and has a positive charge.
Located in the centre of the atom and has no charge.
Atoms
The smallest units of matter.
Chemistry
The study of atoms and how they react together.
42 terms
Year 8 science - chemistry
Atom
Element
Melting
Boiling
The smallest component of an element having the chemical prop…
A pure substance made of only one kind of atom.
Change of state from solid to liquid.
Change of state from liquid to gas.
Atom
The smallest component of an element having the chemical prop…
Element
A pure substance made of only one kind of atom.
21 terms
Chemistry Year 8
Democritus
'atomos'
matter
properties of a substance
Suggested that everything in the world was made up of tiny pa…
unable to be divided
anything that has mass and takes up space
the physical features and behaviour of a substance
Democritus
Suggested that everything in the world was made up of tiny pa…
'atomos'
unable to be divided
20 terms
Year 8 Chemistry - periodic table
H
He
Li
Be
Hydrogen
Helium
Lithium
Berylium
H
Hydrogen
He
Helium
133 terms
Year 8 Chemistry Revision
Hydrogen
Red
Below
Sour
Acids always contain this element
The colour acids turn litmus paper
Acids have a pH ABOVE/BELOW 7
Solutions of acids taste ..................
Hydrogen
Acids always contain this element
Red
The colour acids turn litmus paper
26 terms
Year 8 Chemistry
Allotropes
Atoms
Brittle
Ductile
Different forms of the same element
The smallest building blocks of matter
Easily crumbled or shattered
Able to be stretched to form a wire
Allotropes
Different forms of the same element
Atoms
The smallest building blocks of matter
29 terms
Year 8 Chemistry - Water
Mixture
Pure
Impure
Solution
Two or more elements or compounds in the same space but not c…
Only made up of one element or compound
Made up of two or more elements or compounds
The mixture of a liquid with a soluble solid or a gas
Mixture
Two or more elements or compounds in the same space but not c…
Pure
Only made up of one element or compound
7 terms
Year 8 chemistry terms
Chemistry
Matter
Atom
Element
The study of matter and the changes that take place with that…
Is everything around us that makes up the world we live in. T…
The structure of an atom is made up of: Use the acronym PEN:…
A pure substance containing only one kind of atom... Two main wa…
Chemistry
The study of matter and the changes that take place with that…
Matter
Is everything around us that makes up the world we live in. T…
106 terms
Year 8 Chemistry Revision
Acids always contain this element
Alkalis
Alkali metals
alkali earth metals
Hydrogen
water soluble bases
any of the elements lithium, sodium, potassium, rubidium, cae…
alkaline-earth metals have two electrons in their outer shell…
Acids always contain this element
Hydrogen
Alkalis
water soluble bases
146 terms
Year 8 Chemistry Revision
hydrogen
red
below
sour
Acids always contain this element
The colour acids turn litmus paper
Acids have a pH ABOVE/BELOW 7
Solutions of acids taste ..................
hydrogen
Acids always contain this element
red
The colour acids turn litmus paper
10 terms
Year 8 Chemistry Chapter 1
metal
non metal
Ductile
Malleable
Elements that are typically hard, shiny, malleable, ductile,…
Elements that are typically not shiny, malleable, or ductile…
capable of being shaped or bent or drawn out
capable of being shaped or formed, easily influenced
metal
Elements that are typically hard, shiny, malleable, ductile,…
non metal
Elements that are typically not shiny, malleable, or ductile…
15 terms
Year 8 Chemistry Glossary :)
Matter
Atom
Subatomic Particles
Nucleus
Physical substance in general, that which occupies space.
Atoms are the basis for everything in the Universe. All matte…
Subatomic particles are also known as protons, neutrons and e…
The centre of an atom, consisting of protons and neutrons and…
Matter
Physical substance in general, that which occupies space.
Atom
Atoms are the basis for everything in the Universe. All matte…
12 terms
Year 8 Chemistry - Chapter 2
Mixture
Compound
Solute
Solvent
A combination of two or more substances that are not chemical…
A substance made up of atoms of two or more different element…
A substance that is dissolved in a solution.
A liquid substance capable of dissolving other substances
Mixture
A combination of two or more substances that are not chemical…
Compound
A substance made up of atoms of two or more different element…
11 terms
Year 8 Chemistry chapter 3
Reactivity
Displacement
Metal salt
Metal hydroxide
How readily a substance combines chemically with other substa…
When one element replaces another in a compound because it is…
Produced when metals react with acids
Produced when metals react with water
Reactivity
How readily a substance combines chemically with other substa…
Displacement
When one element replaces another in a compound because it is…
20 terms
PGS Year 8 Chemistry - Elements
Hydrogen
Helium
Carbon
Nitrogen
H
He
C
N
Hydrogen
H
Helium
He
20 terms
Year 8 Chemistry
Data
Error
First-hand data
Mistake
Measurements and observations about something
Small changes to measurements that cannot be avoided, even wi…
Data you collect yourself from an experiment
Can be avoided with care; mistakes are not errors
Data
Measurements and observations about something
Error
Small changes to measurements that cannot be avoided, even wi…
25 terms
Particles in matter and Chemistry Year 8
Solid
Liquid
Gas
Brownian motion
Particles are close together and held tightly. Not free to mo…
Particles are close together and held less tightly than solid…
Particles are much further apart. Particles are not held toge…
Constant movement of particles in nature because of kinetic e…
Solid
Particles are close together and held tightly. Not free to mo…
Liquid
Particles are close together and held less tightly than solid…
12 terms
Chemistry Year 8
Endothermic
Exothermic
Exo
Endo
Heat goes in or heat is applied
Heat goes out or no heat is applied
Latin, out
Latin, in
Endothermic
Heat goes in or heat is applied
Exothermic
Heat goes out or no heat is applied
11 terms
Year 8 Chemistry chapter 3
Reactivity
Displacement
Metal salt
Metal hydroxide
How readily a substance combines chemically with other substa…
When one element replaces another in a compound because it is…
Produced when metals react with acids
Produced when metals react with water
Reactivity
How readily a substance combines chemically with other substa…
Displacement
When one element replaces another in a compound because it is…
10 terms
Chemistry Year 8 - Set 4 - Term 1
physical change
evaporation
boiling
condensation
A change in a substance with no new substances being made
A change from a liquid to a gas at a temperature that is lowe…
A change from a liquid to a gas at the boiling temperature
Change in state from a gas to a liquid
physical change
A change in a substance with no new substances being made
evaporation
A change from a liquid to a gas at a temperature that is lowe…
18 terms
Chemistry (Year 8)
Atom
Element
Compound
Solid
Smallest unit of matter, made up of subatomic particles (neut…
A substance made up of one type of atom.
A substance made up of 2 or more different types of atoms
Particles are held together strongly by bonds, they cannot mo…
Atom
Smallest unit of matter, made up of subatomic particles (neut…
Element
A substance made up of one type of atom.
24 terms
Year 8 Chemistry 3
When an alkali reacts with an acid thi…
HCl is
𝐻_2 𝑆𝑂_4 is called
HNO3 is called
neutralization
hydrochloric acid
sulfuric acid
nitric acid
When an alkali reacts with an acid thi…
neutralization
HCl is
hydrochloric acid
9 terms
Chemistry Year 8
Solids 1
Solids 2
Solids 3
Liquids 1
Have a fixed shape and volume
Particles are held very close together (by strong bonds)
Particles vibrate in fixed positions
Particles are close together but can pass over each other
Solids 1
Have a fixed shape and volume
Solids 2
Particles are held very close together (by strong bonds)
8 terms
Year 8 chemistry Chapter 1
metal
non metal
Ductile
Malleable
Elements that are typically hard, shiny, malleable, ductile,…
Elements that are typically not shiny, malleable, or ductile…
capable of being shaped or bent or drawn out
capable of being shaped or formed, easily influenced
metal
Elements that are typically hard, shiny, malleable, ductile,…
non metal
Elements that are typically not shiny, malleable, or ductile…
12 terms
Science - Chemistry Year 8
Exothermic
Endothermic
Chemical change
Physical change
A chemical reaction that gives off heat
A chemical reaction that takes in heat
A change that makes new products
A change that doesn't make new products
Exothermic
A chemical reaction that gives off heat
Endothermic
A chemical reaction that takes in heat
34 terms
Chemistry; Year 8; Revision
Matter
Atom
Subatomic Particles
Nucleus
Anything that has mass and takes up space
Basic unit of matter
protons, neutrons, electrons
A part of the cell containing DNA and RNA and responsible for…
Matter
Anything that has mass and takes up space
Atom
Basic unit of matter
12 terms
Year 8 Chemistry - Chapter 2
Mixture
Compound
Solute
Solvent
A combination of two or more substances that are not chemical…
A substance made up of atoms of two or more different element…
A substance that is dissolved in a solution.
A liquid substance capable of dissolving other substances
Mixture
A combination of two or more substances that are not chemical…
Compound
A substance made up of atoms of two or more different element…
41 terms
Year 8 Chemistry
Elements
Atoms
Atomic Number
Chemical Symbol
Pure substance made up of only one type of atom
A very small particle that makes up all things. Atoms have th…
Number of protons in the nucleus of an atom. The atomic numbe…
The standard way that scientists write the names of the eleme…
Elements
Pure substance made up of only one type of atom
Atoms
A very small particle that makes up all things. Atoms have th…
49 terms
VNU 2015 Year 8 Chemistry
solids
liquids
gases
properties
A state of matter in which the object has a definite shape an…
Are a form of matter that have a definite volume but takes th…
changes shape and volume easily; has no definite volume or sh…
(Physical) Characteristics of a substance that can be observe…
solids
A state of matter in which the object has a definite shape an…
liquids
Are a form of matter that have a definite volume but takes th…
23 terms
Chemistry Year 8
Compound
Non-metal
Mettaloid
Malleable
A group of two or more different atoms chemically combined to…
An element or substance that is not a metal
An element that's properties are between a metal and a solid
Able to be hammered or pressed permanently out of shape witho…
Compound
A group of two or more different atoms chemically combined to…
Non-metal
An element or substance that is not a metal
80 terms
Chemistry year 8
atom
element
compound
mixture
tiny building block making up all materials
one type of atom
more than one type of atom bonded together
more than one chemical (not bonded) that can be separated wit…
atom
tiny building block making up all materials
element
one type of atom
68 terms
Year 8 Chemistry
Identify the three states of matter.
Give the characteristics of a solid:
Give the characteristics of a liquid:
Give the characteristics of a gas:
- Solid ... - Liquid ... - Gas
- Fixed shape... - Fixed volume... - Non-compressible
- Non-fixed shape... - Fixed volume... - Non-compressible
- Shape not fixed... - Volume not fixed... - Compressible
Identify the three states of matter.
- Solid ... - Liquid ... - Gas
Give the characteristics of a solid:
- Fixed shape... - Fixed volume... - Non-compressible
48 terms
Year 8 Chemistry
Percentage of oxygen in air
Percentage of nitrogen in air
Percentage of carbon dioxide in air
Percentage of other noble gases in air…
21%
78%
0.04%
1%
Percentage of oxygen in air
21%
Percentage of nitrogen in air
78%
10 terms
Chemistry Year 8 Term 1 Set 2
Gas
liquid
solid
volume
matter which takes the shape and fills the volume of its cont…
matter with a fixed volume that takes the shape of its contai…
matter with a fixed shape and volume
the amount of space that an object fills
Gas
matter which takes the shape and fills the volume of its cont…
liquid
matter with a fixed volume that takes the shape of its contai…
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