AS-level AQA Chemistry EXAMS BUNDLE with Questions & 100% Correct Answers

Polarity - ANSWER The unequal sharing of the electrons between atoms in a covalent bond Polar - ANSWER Describes a molecule where the charge is not equally distributed, one end is more positive, the other more negative Dipole-dipole forces - ANSWER An intermolecular force between two molecules w...

AS-level AQA Chemistry Exam Prep Questions with Complete Solutions Latest Update 2024 Linear molecule - ANSWER 2 bonds 180 degree angles 2D e.g: CO2 Trigonal planar molecule - ANSWER 3 bonds 120 degree angles 2D e.g: BF3 Tetrahedral molecule - ANSWER 4 bonds 109.5 degree angles 3D e.g: CH4 Tri...

Boyle's law - ANSWER The volume of a fixed mass of gas (at a constant temperature) is inversely proportional to its pressure Burette - ANSWER Labatory apparatus used to add precise volumes of liquid during a titration Carbocation - ANSWER Ion with a positively charged carbon atom

What is an equation for number of moles involving mass and Mr? - ANSWER number of moles = mass / Mr What is an equation for number of moles involving concentration and volume? - ANSWER number of moles = concentration x volume

hat is carbon dating? - ANSWER The process of using the radioactive isotopes in carbon-14. All living things contain carbon-14. Carbon-14 decays slowly in a living organism, and the amount lost is continually replenished as long as the organism takes in air or food. Once the organism dies, howeve...