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AQA A-level Chemistry Pack Questions & Correct Answers/ Graded A+
AQA A-level Chemistry Pack Questions & Correct Answers/ Graded A+
[Show more]AQA A-level Chemistry Pack Questions & Correct Answers/ Graded A+
[Show more]Give the full electron configuration of an Al atom and a Cr3+ ion 
: 1s2 2s2 2p6 3s2 3p1 
1s 2s2 2p6 3s2 3p6 3d6 
Deduce the formula of the ion that has a charge 2+ with the same electron 
: Sr2+ 
Deduce the formula of the compound that contains 2+ ions and 3- ions that both have 
the same electron...
Preview 2 out of 10 pages
Add to cartGive the full electron configuration of an Al atom and a Cr3+ ion 
: 1s2 2s2 2p6 3s2 3p1 
1s 2s2 2p6 3s2 3p6 3d6 
Deduce the formula of the ion that has a charge 2+ with the same electron 
: Sr2+ 
Deduce the formula of the compound that contains 2+ ions and 3- ions that both have 
the same electron...
Colour of MnO4- (+7 oxidation state) 
: purple 
Colour of CrO7 2- (+6 oxidation state) 
: orange 
Colour of V(O2)+ (+5 oxidation state) 
: yellow 
Colour of VO 2+ (+4 oxidation state) 
: blue 
Colour of V 3+ (+3 oxidation state) 
: green 
2 
Colour of Cr 3+ (+3 oxidation state) 
: green/violet 
Colo...
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Add to cartColour of MnO4- (+7 oxidation state) 
: purple 
Colour of CrO7 2- (+6 oxidation state) 
: orange 
Colour of V(O2)+ (+5 oxidation state) 
: yellow 
Colour of VO 2+ (+4 oxidation state) 
: blue 
Colour of V 3+ (+3 oxidation state) 
: green 
2 
Colour of Cr 3+ (+3 oxidation state) 
: green/violet 
Colo...
Give the full electron configuration of an Al atom and a Cr3+ ion 
: 1s2 2s2 2p6 3s2 3p1 
1s 2s2 2p6 3s2 3p6 3d6 
Deduce the formula of the ion that has a charge 2+ with the same electron 
: Sr2+ 
Deduce the formula of the compound that contains 2+ ions and 3- ions that both have the 
same electron...
Preview 2 out of 12 pages
Add to cartGive the full electron configuration of an Al atom and a Cr3+ ion 
: 1s2 2s2 2p6 3s2 3p1 
1s 2s2 2p6 3s2 3p6 3d6 
Deduce the formula of the ion that has a charge 2+ with the same electron 
: Sr2+ 
Deduce the formula of the compound that contains 2+ ions and 3- ions that both have the 
same electron...
s block 
: The block that belongs to hydrogen and groups 1 and 2 
Elements that have their highest energy e- in s-orbitals 
E.G. Na 1s1 2s2 2p6 3s1 
p 
: The block that belongs to the non-metals and metalloids 
Elements that have their highest energy e- in p-orbitals 
E.G. C 1s1 2s2 2p2 
d 
: Transi...
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Add to carts block 
: The block that belongs to hydrogen and groups 1 and 2 
Elements that have their highest energy e- in s-orbitals 
E.G. Na 1s1 2s2 2p6 3s1 
p 
: The block that belongs to the non-metals and metalloids 
Elements that have their highest energy e- in p-orbitals 
E.G. C 1s1 2s2 2p2 
d 
: Transi...
Relative atomic mass 
: The average mass of an atom of an element, relative to 1/12th of the mass of an atom 
of Carbon-12 
Relative molecular mass 
: Average mass of a molecule compared to 1/12th of the mass of a carbon-12 atom 
The Avogradro constant 
: the number of particles in a mole 
ideal ga...
Preview 3 out of 23 pages
Add to cartRelative atomic mass 
: The average mass of an atom of an element, relative to 1/12th of the mass of an atom 
of Carbon-12 
Relative molecular mass 
: Average mass of a molecule compared to 1/12th of the mass of a carbon-12 atom 
The Avogradro constant 
: the number of particles in a mole 
ideal ga...
elative atomic mass (Ar) 
: Average mass of an atom compared with one twelth of the mass of an atom of carbon 
12 
Electronegativity 
: Power of an atom to attract the pair of electrons in a covalent bond 
Standard enthalpy of combustion 
: Enthalpy change when 1 mole of a substance burns completel...
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Add to cartelative atomic mass (Ar) 
: Average mass of an atom compared with one twelth of the mass of an atom of carbon 
12 
Electronegativity 
: Power of an atom to attract the pair of electrons in a covalent bond 
Standard enthalpy of combustion 
: Enthalpy change when 1 mole of a substance burns completel...
State the electron rules 
: Lowest energy filled first (3d>4s) 
Line up parallel 
Single until forced to pair 
Electronegativity 
: The ability of an atom to attract electrons within a covalent bond 
RAM (relative atomic mass) 
: Average mass of one atom compared to 1/12th the mass of a c-12 ato...
Preview 2 out of 14 pages
Add to cartState the electron rules 
: Lowest energy filled first (3d>4s) 
Line up parallel 
Single until forced to pair 
Electronegativity 
: The ability of an atom to attract electrons within a covalent bond 
RAM (relative atomic mass) 
: Average mass of one atom compared to 1/12th the mass of a c-12 ato...
What is an organic compund? 
: The substances that form the basis of all living things; all contain carbon atoms 
What is a functional group? 
: An atom or a group of atoms which give organic compounds their characteristics 
What is a homologous series? 
: A group of organic compounds that react in ...
Preview 2 out of 5 pages
Add to cartWhat is an organic compund? 
: The substances that form the basis of all living things; all contain carbon atoms 
What is a functional group? 
: An atom or a group of atoms which give organic compounds their characteristics 
What is a homologous series? 
: A group of organic compounds that react in ...
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