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OCR A level Chemistry - Inorganic/Physical Questions & 100% Correct Answers- Latest Test | Graded A+ | Passed £28.59   Add to cart

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OCR A level Chemistry - Inorganic/Physical Questions & 100% Correct Answers- Latest Test | Graded A+ | Passed

OCR A level Chemistry - Inorganic/Physical Questions & 100% Correct Answers- Latest Test | Graded A+ | Passed

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A Level Chemistry OCR A Questions & 100% correct Answers- Latest Test | Graded A+ | Passed

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Ammonium ion Ξ -:- NH₄⁺ Nitrate ion Ξ -:- NO₃⁻ Nitric Acid Ξ -:- HNO₃ Covalent bond Ξ -:- A covalent bond is the strong electrostatic attraction between a shared pair of electrons and the nuclei of the bonded atoms Dative covalent bond Ξ -:- A dative covalent bond is a shar...

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A level OCR A chemistry Questions & 100% Correct Answers- Latest Test | Graded A+ | Passed

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rate of reaction ֎ -:- the change in concentration of a reactant or product per unit time rate constant (k) ֎ -:- The constant that links the rate of reaction with the concentrations of the reactants raised to the powers of their orders in the rate equation. half-life ֎ -:- The time taken ...

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AS level OCR Chemistry Questions & 100% correct Answers- Latest Test | Graded A+ | Passed

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Isotopes Ξ -:- Different atomic forms of the same element. Atoms with the same number of protons but a different number of neutrons Relative atomic mass Ξ -:- The mean mass of an atom of an element, compared to 1/12th of the mass of an atom of carbon-12 Concentration= Ξ -:- Number of mol...

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OCR A-Level Chemistry Questions & 100% Correct Answers- Latest Test | Graded A+ | Passed

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Acid ֎ -:- A species that releases H+ ions in aqueous solution Acid Dissociation Constant Ka ֎ -:- The equilibrium constant that shows the extent of dissociation of a weak acid Acid-Base Pair ֎ -:- A pair of two species that transform into each other by gain or loss of a proton Activati...

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OCR A A-Level Chemistry- Physical and inorganic (Paper 1) Questions & 100% Correct Answers- Latest Test | Graded A+ | Passed

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Isotopes ֎ -:- Atoms of the same elements with different numbers of neutrons and different masses Why do isotopes of the same element have the same chemical properties? ֎ -:- Same number of electrons, number of neutrons has no effect on reactions of an element Relative isotopic mass ֎ -:...

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OCR A Level Chemistry Questions & 100% Correct Answers- Latest Test | Graded A+ | Passed

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acid ֎ -:- A species that is a proton donor. activation energy ֎ -:- The minimum amount of kinetic energy that particles need to have in order to react when they collide addition polymer ֎ -:- A very long molecular chain formed by repeated addition reactions of many unsaturated alkene mo...

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OCR A level Chemistry - Inorganic/Physical Questions & 100% Correct Answers- Latest Test | Graded A+ | Passed

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Reduction ֎ -:- gain of electrons Oxidation ֎ -:- losing electrons More negative the standard electrode potential ֎ -:- The stronger the reducing agent When drawing the setup for electrode potentials, don't forget to include... ֎ -:- - electrodes - ionic solutions (1 mol dm⁻³) - sal...

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