Chemistry definitions - Study guides, Class notes & Summaries

Chemistry Definitions Acids And Bases Study Practice Questions 2024. concentration - correct answer concentration is the abundance of a constituent divided by the total volume of a mixture. equilibrium - correct answer There is equilibrium when the concentrations of reactants and products are in an unchanging ratio. Kc=[C]c[D]d/[A]a[B]b molarity - correct answer The number of moles of solute (the material dissolved) per liter of solution. pH - correct answer pH is a numeric scale used...

IGCSE Chemistry Definitions Exam Questions And Answers 2024. Melting - CORRECT ANSWER Solid changing into a liquid Freezing - CORRECT ANSWER Liquid changing into a solid Condensation - CORRECT ANSWER Gas/vapour changing into a liquid Evaporation - CORRECT ANSWER Liquid changing into a gas/vapour Melting Point - CORRECT ANSWER Temperature at which a solid turns into a liquid Freezing Point - CORRECT ANSWER Temperature at which a liquid changes into a solid Boiling Point - C...

Chemistry definitions IEB Mixtures - ANS-A combination of two or more pure substances that are not chemically bonded together homogeneous mixture - ANS-A mixture with uniform composition and the various components of the mixture cannot be seen heterogeneous mixture - ANS-A mixture that does not have uniform composition and the various components of the mixture can be seen Pure substances - ANS-Any substance that is not a mixture, including elements and compounds Elements - ANS-Pure ...

A-level Chemistry Definitions questions and answers well illustrated. isotopes - ANS.atoms of the same element with different numbers of neutrons atomic (proton) number - ANS.the number of protons in the nucleus of an atom mass (nucleon) number - ANS.the number of particles (protons and neutrons) in the nucleus ion - ANS.a positively or negatively charged atom or (covalently bonded) group of atoms (molecular ion) relative isotopic mass - ...

All IEB SAGS Chemistry Definitions Molar Mass - ANS-The mass in grams of one mole of that substance. Solute - ANS-The substance that is dissolved in the solution. Solvent - ANS-The substance in which another substance is dissolved, forming a solution. Concentration - ANS-The number of moles of solute per volume of solution. Standard Solution - ANS-A solution of known concentration. Intramolecular Bond - ANS-Bond occurring between atoms within molecules. Electronegativity - ANS-A measu...

IEB Matric Chemistry Definitions Exam Molar mass - ANS-The mass in grams of one mole of that substance Solute - ANS-The substance that is dissolved in the solution Solvent - ANS-The substance in which another substance is dissolved, forming a solution Concentration - ANS-The number of moles of solute per unit volume of solution Standard solution - ANS-Solution of known concentration Intramolecular bond - ANS-Occurring between atoms within molecules Electronegativity - ANS-Measure of t...

Isotopes Correct Answer Atoms of the same element that have different numbers of neutrons Molecule Correct Answer a chemical structure consisting of at least two atoms held together by a chemical bond Compound Correct Answer a molecule that contains at least two different elements Molecular formula Correct Answer identifies constituent elements and how many atoms of each are present Structural formula Correct Answer identifies location of each atom Chemical bonds Correct Answer ho...

Chemistry Definition Atoms