Chemistry paper 1 keywords and equations

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  • Created by: GMay10
  • Created on: 13-05-18 16:10
Atoms
All substances are made up of this
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Element
A substance that contains only one sort of atom
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Compund
Contains atoms of two or more elements, which are chemically combined in fixed proportions
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Reactants
The substances that react and are on the left side of an equation
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Products
The new substances that are formed and are on the right side of the equation
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Mixtures
Two or more elements or compounds, that are not chemically combined
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Filteration
Used to separate soluble solids from insoluble solids
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Crystalisation
Used to obtain a soluble solid from a solution
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Simple distillation
Used to obtain a solvent from a solution
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Fractional distilation
Used to separate mixtures in which the components have different boiling points.
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Chromatography
Used to separate the different soluble, coloured components of a mixture.
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Number of neutrons
Mass number - atomic number
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Electronic configuration
Shows how the electrons are arranged around the nucleus in shells
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Dimitri Mendeleev
He realised that some elements had yet to be discovered
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Noble gases
The elements in group 0
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Alkali metals
The elements in group 1
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Halogens
Group 7 elements and are non-metals
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Matter
Everything is made up of this
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Melting point
Melt and freeze at a specific temperature
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Boiling point
Boil and condense at a specific temperature
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Aqueous
Dissolved in water
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Ionic bonding
A transfer of electrons from metal atoms to non-metal atoms
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Covalent bonding
A shared pair of electrons between atoms
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Intermolecular forces
Forces of attraction between the molecules
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Diamond, graphite and grapheen
Forms of carbon
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Fullerenes
Molecules that contain different cumbers of carbon atoms
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Delocalised
Not bound to one atom
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Metallic bond
The attraction between the positive ions and delocalised negatively charged electrons.
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Alloys
Mixtures that contain a metal and at least one other element
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Conservation of mass
The total mass of the products is equal to the total mass of the reactants in a chemical reaction
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Relative formula mass of a compund
The sum of the relative atomic masses of all the atoms in the numbers shown in the formula
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Other cards in this set

Card 2

Front

A substance that contains only one sort of atom

Back

Element

Card 3

Front

Contains atoms of two or more elements, which are chemically combined in fixed proportions

Back

Preview of the back of card 3

Card 4

Front

The substances that react and are on the left side of an equation

Back

Preview of the back of card 4

Card 5

Front

The new substances that are formed and are on the right side of the equation

Back

Preview of the back of card 5
View more cards

Comments

Hayden Bunt

Report

pretty good but you spelt ‘compound’ wrong by putting ‘compund’

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