Aqa chem - Study guides, Revision notes & Summaries

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 atom - Ionisation energy : The energy required to remove one mole of electrons from each of one mole of gaseous atoms to form one mole of positive gaseous ions 2 (Endothermic) Trends of Ionisat...

GCSE AQA Chemistry PAPER 1 flashcards

AQA Chemistry Paper 1 2024 Questions and Answers.

AQA CHEMISTRY A LEVEL WITH COMPLETE SOLUTIONS covalent bond - ANSWER-a shared pair of electrons between non-metal elements co-ordinate bond - ANSWER-a shared pair of electrons where both electrons are supplied by one atom repulsion in shapes of molecules - ANSWER-Lone pair-lone pair > lone pair-bonding pair > bonding pair-bonding pair electronegativity - ANSWER-the power of an atom to attract the pair of electrons in a covalent bond hess' law - ANSWER-Total enthalpy chang...

Inorganic AS AQA Chemistry Exam With 100% Correct Answers 2024 What is a d-block (or f-block) element? - answerAn element that forms one or more stable ions with a partially filled d (or f) orbital What is an s-block (or p-block) element? - answerAn element with its outer electrons in the s (or p) orbitals What is the scientific name for the rows on the Periodic Table? - answerPeriods What is the scientific name for the columns on the Periodic Table? - answerGroups What does the group nu...

Inorganic AS AQA Chemistry What is a d-block (or f-block) element? - CORRECT ANSWER-An element that forms one or more stable ions with a partially filled d (or f) orbital What is an s-block (or p-block) element? - CORRECT ANSWER-An element with its outer electrons in the s (or p) orbitals What is the scientific name for the rows on the Periodic Table? - CORRECT ANSWER-Periods What is the scientific name for the columns on the Periodic Table? - CORRECT ANSWER-Groups What does the group numbe...

GCSE AQA Chemistry- Organic Chemistry Study Guide Test. How is crude oil formed? - CORRECT ANSWER Over millions of years from the fossilised remains of plankton Where is crude oil found? - CORRECT ANSWER In the porous rocks in the Earth's crust Is crude oil renewable or non-renewable? - CORRECT ANSWER Non-renewable What is crude oil made up of? - CORRECT ANSWER Hydrocarbons What gives hydrocarbon molecules varying properties? - CORRECT ANSWER They vary in size What happens t...

AS-level AQA Chemistry questions and answers What is the charge of a proton? - ANSWERS +1 What is the charge of a neutron? - ANSWERS 0 What is the charge of an electron? - ANSWERS -1 What is the mass of a proton? - ANSWERS 1 What is the mass of a neutron? - ANSWERS 1 What is the mass of an electron? - ANSWERS 1/1800 What is an isotope? - ANSWERS Isotopes of an element are atoms with the same number of protons but different numbers of neutrons. Why do isotopes of an element all have t...

Inorganic AS AQA Chemistry Exam With 100% Correct Answers 2024 What is a d-block (or f-block) element? - answerAn element that forms one or more stable ions with a partially filled d (or f) orbital What is an s-block (or p-block) element? - answerAn element with its outer electrons in the s (or p) orbitals What is the scientific name for the rows on the Periodic Table? - answerPeriods What is the scientific name for the columns on the Periodic Table? - answerGroups What does the group nu...

AQA Chemsitry Amount of Substance 2 Exam Questions and Complete Solutions