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Definition
| The table in which all elements are found in an organised way. |
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Definition
| A compound that is a good conductor of heat and electticity (found on the left of the Periodic table). |
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| An element that is not a metal and is found to the right of the Periodic table. |
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| The smallest part of an element that can take part in nuclear reactions. |
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Definition
| The centre of the atom consisting of protons and neutrons. |
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Definition
| The positively charged sub-atomic particles found in the nucleus. |
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Definition
| The particles in the nucleus with no charge. |
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| The sub-atomic particles with a negative charge that orbit the nucleus. |
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Definition
| Another name for orbitals - the pathways of the electrons around the nucleus. |
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Definition
| Another name for shells or orbitals, relating to the energy electrons have. |
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Definition
| The mass of a particle relative to other particles. |
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Definition
| The charge of a particle relative to other particles. |
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Definition
| The number of protons in an element. |
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Definition
| The number showing how much mass an element has. |
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Definition
| The mass of a compound, for example. |
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Definition
| A form of average where we add the numbers up and divide by how many there are. |
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Definition
| The rows on the Periodic table. |
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Definition
| The columns on the Periodic table. |
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Definition
| An atom with a different number of neutrons from the mean. |
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Definition
| This means "in comparison there are a lot more of these" |
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Definition
| The pattern of the electrons in their shells. |
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Definition
| An atom that has gained or lost electrons to give it an overall charge. |
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Definition
| An ion with a positive charge. |
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Definition
| An ion with a negative charge. |
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Definition
| The name for the attraction between particles in a compound. |
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Definition
| The type of bond that is caused by opposite charges. |
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Definition
| A compound bonded due to ions of opposite charge. |
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Definition
| A way of writing down a substance with symbols where it is made of two or more atoms. |
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Definition
| Ions that contain one or more elements. |
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Definition
| The name of the structure that is caused by ionic bonding. |
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Definition
| A process of splitting up compounds using electrical current. |
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Definition
| When something is dissolved in water. |
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Definition
| The temperature at which something melts. |
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Definition
| The temperature at which something boils. |
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Term
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Definition
| When a solute splits up and mixes with a solvent. |
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Definition
| Not able to be dissolved. |
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Definition
| A compound formed by the neutralisation of an acid and an alkali. |
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Definition
| An insoluble solid formed when two solutions are mixed together during precipitation. |
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Definition
| The letters after an element in an equation, showing whether it is a solid, liquid, gas or in solution etc. |
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Definition
| A reaction between two solutions to form an insoluble solid. |
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Definition
| Separating larger molecules from smaller ones using a partially permeable membrane. |
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Definition
| A drink containing barium sulphate. |
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Definition
| A test to detect the ions in a substance by observing their colour in a Bunsen flame. |
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Definition
| Analysis of the light from a particular source. |
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Definition
| A bond formed by non-metal atoms held together by sharing electrons. |
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Definition
| More than one atom bonded together by covalent bonds. |
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Definition
| A diagram used to model covalent bonding. |
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Definition
| The type of bond where two pairs of electrons are shared. |
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Term
| Simple molecular covalent substances |
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Definition
| A few atoms held together by very strong covalent bonds. |
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Term
| Giant molecular covalent substances |
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Definition
| Lots of non-metals atoms held together in lattices to form bigger structures. |
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Definition
| A very hard substance made from carbon atoms. |
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Definition
| A substance made from carbon that is arranged in layers. |
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Definition
| Something that reduces friction between two objects. |
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Definition
| Where liquids will not mix together completely. |
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Definition
| A piece of glassware used to separate two immiscible liquids. |
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Definition
| What happens to a solute when placed in a solvent. |
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Definition
| The result of a solute being dissolved in a solvent. |
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Term
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Definition
| If liquids can be mixed together to form another substance. |
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Definition
| The process of separating fractions using a column and heat to separate by boiling point. |
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Definition
| A column used to separate fractions based upon their boiling points. |
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Definition
| A certain part of crude oil that comes out of a fractionating column at the same point. |
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Definition
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Definition
| A process of separating mixtures to identify them (sometimes using paper and a solvent). |
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| Something which dissolves a solute. |
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Definition
| The result of a chromatography test. |
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Definition
| A comparison value for points on a chromatogram |
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Definition
| The most basic materials found in the Periodic table. |
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Definition
| Can be hammered into another shape without breaking. |
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Definition
| The bonds formed between metal atoms. |
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Definition
| Electrons that can move away from the original nucleus. |
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Definition
| Metals in the centre of the Periodic table. |
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Definition
| The metals found in group 1 of the Periodic table. |
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Term
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Definition
| How readily something takes part in a chemical reaction. |
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Definition
| Group VII of the Periodic table. |
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Term
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Definition
| A compound of which one part is a halogen. |
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Term
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Definition
| A reaction where one reactant takes the place of another element in the compound it is reacted with. |
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Definition
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Definition
| Gives out heat during a reaction. |
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Definition
| Takes in heat during a reaction. |
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Term
| Rate of a chemical reaction |
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Definition
| How quickly a reaction happens. |
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Term
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Definition
| How much of a substance is present in a dilution. |
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Term
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Definition
| The total area of an object or chemical. |
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Term
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Definition
| The total mass of a compound. |
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Definition
| The amount of an element as an amount of the total mass (as a percentage). |
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Definition
| The amount of product from a reaction. |
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Definition
| The amount of product we should have based on the equation for the reaction. |
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Term
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Definition
| The amount of product we make when the reaction is carried out (not the theoretical amount). |
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Definition
| The percentage of how much desirable product we obtain from a reaction. |
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Term
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Definition
| How much of something as a fraction out of one hundred. |
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Definition
| The products of a reaction that are not desired or intended. |
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Term
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Definition
| Undesirable products from a reaction that are not needed. |
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