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Exam (elaborations)

OCR A LEVEL CHEMISTRY MODULE 2 Exam Questions With Detailed Answers
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10

December 2024

2024/2025

A+
OCR A LEVEL CHEMISTRY MODULE 2 Exam Questions With Detailed Answers Define atom economy The percentage of atoms that react to form the desired product What is water of crystallisation? Water molecules that are bonded into a crystalline structure of a compound What is the equation for atom economy? (total Mr of desired products/ total Mr of all products) x 100 Why is a high atom economy important? More efficient reactions, preserves raw materials, reduces waste Name a group of weak a...
profangel
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OCR A-Level Chemistry Bundled Exams with complete solution | everything you need
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10

July 2023
OCR A-Level Chemistry Bundled Exams with complete solution | everything you need
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Exam (elaborations)

OCR A-LEVEL CHEMISTRY MODULE 2 | Questions and Answers with complete solution
Available in bundle

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6

July 2023

2022/2023

A+
Available in bundle
ISOTOPES - ATOMS OF THE SAME ELEMENT WITH DIFFERENT NUMBERS OF NEUTRONS ATOMIC (PROTON) NUMBER - NUMBER OF PROTONS IN THE NUCLEUS MASS (NUCLEON) NUMBER - NUMBER OF PARTICLES (PROTONS & NEUTRONS) IN THE NUCLEUS ION - A POSITIVELY OR NEGATIVELY CHARGED ATOM OR (COVALENTLY BONDED) GROUP OF ATOMS RELATIVE ISOTOPIC MASS - THE MASS OF AN ISOTOPE COMPARED WITH ON TWELTH OF THE MASS OF AN ATOM OFCARBON 12 RELATIVE ATOMIC MASS - THE WEIGHTED MEAN MASS OF AN ATOM OF AN ELEMENT COMPARED WITH ONE TWE...
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