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OCR A-Level Chemistry Module 4 comprehensive exam 2024.

OCR A-Level Chemistry Module 4 comprehensive exam 2024. Aromatic hydrocarbon Contain at least one benzene ring or similar structural features. Aldehyde Carboxylic acid Ketone

OCR A level chemistry a practical skills 2024 write down the steps to prepare a standard solution 1. weigh the solute using the weigh by difference method 2. in a beaker dissolve the solute using the solvent 3. pour the solution into a volumetric flask 4. rinse the beaker using the solution and add it to the flask 5. add solvent to the flask carefully until it reaches the graduation line 6. mix the solution thoroughly to ensure complete mixing what are the reasons for not obtaining...

OCR A level Chemistry Module 3 comprehensive exam 2024 Ernest rutherford Gold foil experiment- discovered nucleus (1909) Niels Bohr 1913- discovered that electrons move around the nucleus in orbits called electron shells. EM emitted/ absorbed when moving between levels- fixed frequency Mass Spectrometer steps 1. Vaporisation 2.Ionisation 3.Acceleration 4.Ion drift 5.Detection

OCR AS Level Chemistry Definitions 2024 Relative Atomic Mass The weighted mean mass of an atom of an element relative to 1/12th the mass of an atom of Carbon-12. Relative Molecular Mass The mass of a molecule of a compound relative to 1/12th the mass of an atom of Carbon-12. Water of Crystallisation The water molecules that make up part of the crystal structure of a solid.

OCR AS Level Chemistry Definitions 2024 Relative Atomic Mass The weighted mean mass of an atom of an element relative to 1/12th the mass of an atom of Carbon-12. Relative Molecular Mass The mass of a molecule of a compound relative to 1/12th the mass of an atom of Carbon-12. Water of Crystallisation The water molecules that make up part of the crystal structure of a solid.

OCR AS Level Chemistry Definitions 2024 Relative Atomic Mass The weighted mean mass of an atom of an element relative to 1/12th the mass of an atom of Carbon-12. Relative Molecular Mass The mass of a molecule of a compound relative to 1/12th the mass of an atom of Carbon-12. Water of Crystallisation The water molecules that make up part of the crystal structure of a solid.

Chemistry OCR A Module 3 test bank 2024 periodic trends in electron configurations across periods 2 and 3 each period starts with an electron in a new subshell *however across period 3 the 4s subshell fills first identify the s-block, p-block and d-block in the periodic table What is the first ionisation energy? The energy required to remove one electron from each atom in 1 mole of gaseous atoms of an element to form 1 mole of gaseous 1+ ions. What is the equation for ...

Anatomy and Physiology comprehensive exam 2024 (with solution) branches of anatomy microscopic- structures that cannot be observed to the unaided eye (cytology- study of body cells and their internal structure; histology- study of tissues) gross anatomy- structures that can be observed to the unaided eye,; macroscopic (systemic anatomy- anatomy of each body system; regional anatomy- examines all of the structures in a particular region of the body as a complete unit) embryology di...

Anatomy and Physiology Chapter 1-4 Revision exam with answers 2024 Chemical level represents the atoms and molecules that make up cells (Consists of Atomic level and molecular level) Cellular level represents the basic unit of all living things Tissue level a group of cells with similar or common function Organ level a group of tissues with similar or common function