AQA A-Level Chemistry Bundled Exams Questions and Answers (2022/2023) (Already Passed)

AQA A-Level Chemistry (new spec) 1.3 Bonding Already Passed Ionic Bonding The electrostatic force of attraction between two oppositely charged ions formed by electron transfer Covalent Bonding A shared pair of electrons Dative Covalent Bonding (AKA Co-ordinate bonding) Formed when the shared pair ...

Chemistry AS Level AQA Physical Chemistry Revision Key Words Graded A Activation energy The minimum energy that a particle needs in order to react Atom economy mass of desired products/total mass of reactants x 100 Atomic orbital A region of space where there is a high probability of finding an el...

AQA A-Level Chemistry (new spec) 1.1 Atomic Structure (2022/2023) Already Passed What are nucleons? Nucleons are protons and neutrons in the nucleus. What is the position of protons? Nucleus What is the relative mass of a proton 1 What is the relative charge of a proton? +1 What is the position ...

A-level Chemistry Definitions 100% Pass isotopes atoms of the same element with different numbers of neutrons atomic (proton) number the number of protons in the nucleus of an atom mass (nucleon) number the number of particles (protons and neutrons) in the nucleus ion a positively or negatively c...

AQA A-Level Chemistry - Amount of Substance Latest 2023 Graded A+ Relative Atomic Mass The average mass of an atom of an element, compared to that of the mass of 1/12th of the average mass of an atom of carbon-12 Relative Molecular Mass The average mass of one molecule compared to 1/12th of the mas...

AQA A-Level Organic Synthesis Latest 2023 Already Passed Alkane to Halogenoalkane X2, UV light Mechanism = free radical substitution Halogenoalkane to Alkene KOH, dissolved in ethanol and heated under reflux Mechanism = Elimination Alkene to Halogenoalkane HX at room temperature Mechanism = Electr...

AQA A Level Chemistry: Year 1- Alkenes Already Passed What is an alkene? An unsaturated hydrocarbon What is an unsaturated hydrocarbon? A compound containing only carbon and hydrogen atoms and containing at least one carbon carbon double bond What are van der Waals forces? Relatively weak intermol...

A Level Physical Chemistry AQA (2022/2023) Already Graded A+ relative mass of a proton 1 relative mass of a neutron 1 relative mass of an electron 1/1840 relative charge of a proton +1 relative charge of a neutron 0 Relative charge of an electron -1 How is the nucleus held together strong nucl...

AQA A-Level Chemistry Past Paper Questions with Verified Answers The sample is bombarded with high energy electrons and knocks out an electron forming 1+ rubidium ions through using an electron gun. Explain how the gaseous atoms of rubidium are ionized in a mass spectrometer(2) Rb(g)---Rb+(g)+e(-)...

AQA A level Chemistry - Group 2 Already Passed As you go down the group, atomic radius increases As you go down the group, ionisation energy decreases As you go down the group, melting point (WHY) generally decreases as the metallic bonding gets weaker due to the atomic radius increasing 3 factor...

AQA A level Chemistry 3.1.8 – Thermodynamics Already Passed What are standard conditions? 298K/25°C 100kPa/1 atm 1 moldm-3 Enthalpy change of formation The enthalpy change when 1 mole of a compound is formed from its constituent elements under standard conditions, with all reactants and products...

Practicals Chemistry AQA A-level Rated A+ Required Practical 1 - titration and making a standard solution Making a standard solution 1. weigh the required mass of solid using a sample bottle on a 2 dp balance. 2. transfer the solid into a beaker using distilled water to wash it out- preventing an...

AQA A level Chemistry Mass Spectrometry Questions and Answers Already Passed Q: What do you need to remember about these cards? - Make sure you have the Q side visible first ( quizlet only let me upload images in the answers) - most A-level marks are for application so you need to memorise these fa...