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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
[Show more]OCR A level Chemistry - Inorganic/Physical Questions & 100% Correct Answers- Latest Test | Graded A+ | Passed
[Show more]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...
Preview 3 out of 29 pages
Add to cartAmmonium 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...
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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Add to cartrate 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 ...
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...
Preview 3 out of 17 pages
Add to cartIsotopes 
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...
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...
Preview 4 out of 43 pages
Add to cartAcid 
֎ -:- 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...
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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Add to cartIsotopes 
֎ -:- 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 
֎ -:...
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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Add to cartacid 
֎ -:- 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...
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...
Preview 2 out of 11 pages
Add to cartReduction 
֎ -:- 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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