Chemistry vocabulary 1st year

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  • Created by: May Htar
  • Created on: 03-04-18 18:14
Acid
Chemical that is a proton donor and releases H+ in solution.
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Activation energy
Minimum energy required to start a reaction by breaking bonds in the reactants.
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Alcohol
A group of organic compound where the parent functional group is -OH.
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Alkali
A chemical that reacts with an acid and is soluble in water releasing hydroxide ions
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Alkanes
A homologous series of saturated hydrocarbons.
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Alkenes
Homologous series of unsaturated hydrocarbon.
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Amount of substance
Quantity whose unit is the mole. It is used as a means of counting atoms.
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Amphoteric substances
Substances that can react as both acids and bases.
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Aliphatic hydrocarbon
A hydrocarbon where carbon atoms are joined together in straight or branched chains.
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anhydrous
Substance that contains no water molecules.
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Anion
Negatively charged ion.
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Aqueous
A solution in which the solvent is water.
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Atom
The smallest object that retains properties of an element. Composed of electrons and a nucleus (containing protons and neutrons).
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Atomic (proton) number
number of protons in the nucleus of an atom.
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atomic orbital
Region of space where it is likely that you will find electrons. Each orbital can hold up to 2 electrons, with opposite spins.
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atomic radius
Measure of the size of its atoms, usually the mean or typical distance from the nucleus to the boundary of the surrounding cloud of electrons.
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Average bond enthalpy
Mean energy needed for 1 mole of a given type of gaseous bonds to undergo homolytic fission.
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Avogadro constant
The number of atoms per mole of the carbon-12 isotope (6.02 x 10^23 mol^-1.
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Base
Chemical that can react with acids and is a proton acceptor.
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Biodegradable materials
Effected by the action of of microorganisms and environmental conditions leading to decomposition.
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Bioplastics
Materials made from a renewable source that are biodegradable.
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Boltzmann distribution
The distribution of energies of molecules at a particular temperature.
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Other cards in this set

Card 2

Front

Minimum energy required to start a reaction by breaking bonds in the reactants.

Back

Activation energy

Card 3

Front

A group of organic compound where the parent functional group is -OH.

Back

Preview of the back of card 3

Card 4

Front

A chemical that reacts with an acid and is soluble in water releasing hydroxide ions

Back

Preview of the back of card 4

Card 5

Front

A homologous series of saturated hydrocarbons.

Back

Preview of the back of card 5
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