Chemistry aqa a level as - Study guides, Class notes & Summaries

AQA A-level CHEMISTRY 7405/3 Paper 3 Question Paper + Mark scheme [MERGED] June 2022 *JUN* IB/M/Jun22/E16 7405/3 For Examiner’s Use Question Mark 1 2 3 4 5 Section B TOTAL Time allowed: 2 hours Materials For this paper you must have: • the Periodic Table/Data Booklet, provided as an insert (enclosed) • a ruler with millimetre measurements • a scientific calculator, which you are expected to use where appropriate. Instructions • Use black ink or black ball-point...

Chemistry AQA a LEVEL AS PAPER 1 2024 UPDATE GRADED A+

Chemistry AQA a LEVEL AS PAPER 1 2024 UPDATE GRADED A+ what are the three fundamental particles that make up an atom? - CORRECT ANSWER-protons, neutrons and electrons nucleus - CORRECT ANSWER-- most of mass of atom is concentrated in the nucleus - the diameter of the nucleus is rather titchy compared to the whole atom - protons and neutrons are sometimes found in the nucleus electrons - CORRECT ANSWER-- electrons have a -1 charge - they surround the nucleus - the orbitals take up mos...

Chemistry AQA a LEVEL AS PAPER 1 2024 UPDATE GRADED A+ what are the three fundamental particles that make up an atom? - CORRECT ANSWER-protons, neutrons and electrons nucleus - CORRECT ANSWER-- most of mass of atom is concentrated in the nucleus - the diameter of the nucleus is rather titchy compared to the whole atom - protons and neutrons are sometimes found in the nucleus electrons - CORRECT ANSWER-- electrons have a -1 charge - they surround the nucleus - the orbitals take up most of ...

Chemistry AQA a LEVEL AS PAPER 1 2024 UPDATE GRADED A+ what are the three fundamental particles that make up an atom? - CORRECT ANSWER-protons, neutrons and electrons nucleus - CORRECT ANSWER-- most of mass of atom is concentrated in the nucleus - the diameter of the nucleus is rather titchy compared to the whole atom - protons and neutrons are sometimes found in the nucleus electrons - CORRECT ANSWER-- electrons have a -1 charge - t...

Chemistry AQA a LEVEL AS PAPER 1 2024 UPDATE GRADED A+ what are the three fundamental particles that make up an atom? - CORRECT ANSWER-protons, neutrons and electrons nucleus - CORRECT ANSWER-- most of mass of atom is concentrated in the nucleus - the diameter of the nucleus is rather titchy compared to the whole atom - protons and neutrons are sometimes found in the nucleus electrons - CORRECT ANSWER-- electrons have a -1 charge - they surround the nucleus - the orbitals take...

AQA A-level CHEMISTRY 7405/2 Paper 2 Organic and Physical Chemistry Version: 1.0 Final *Jun* IB/M/Jun23/E8 7405/2 For Examiner’s Use Question Mark 1 2 3 4 5 6 7 8 9 TOTAL Monday 19 June 2023 Afternoon Time allowed: 2 hours Materials For this paper you must have: • the Periodic Table/Data Booklet, provided as an insert (enclosed) • a ruler with millimetre measurements • a scientific calculator, which you are expected to use where appropriate. Instructions • Us...

AQA A-level CHEMISTRY (7405/3) Paper 3 Mark scheme June 2023 | VERIFIED. catalyst ALLOW reduces Ea IGNORE speeds up reaction IGNORE provides alternative path IGNORE proton donor IGNORE dehydrating agent 1 Question Answers Additional comments/Guidelines Mark 1.2 electric heater/heat mantle or (hot) water bath IGNORE not with a Bunsen/naked flame / gently ALLOW hot water ALLOW heating/hot plate/ sand bath / oil bath ALLOW reference to flame/Bunsen if in context of heating a water bath ...