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The minimum kinetic energy required by colliding particles before a reaction will occur. |
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The energy change when one mole of a substance dissolves in water. |
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Enthalpy of Neutralisation |
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A catalyst of a different physical state from the reactants. |
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A catalyst of the same physical state from the reactants. |
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Going down a group in the periodic table, the atomic size/covalent radius increases because |
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the number of electron shells increases. |
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Going from left to right along a period in the periodic table, the atomic size/covalent radius decreases because |
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the nuclear charge increases. |
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The amount energy required to remove one mole of electrons from one mole of atoms. Always in the gaseous state and always an endothermic reaction. |
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