Chemistry definitions 0.0 / 5 ? ChemistryDefinitionsA2/A-levelOCR Created by: merlin19Created on: 20-09-16 12:46 Element a substance made of one type of atom 1 of 14 Compound more than one type of atom chemically bonded (ionically or covalently) 2 of 14 Aqueous A solid dissolved in water to make a solution 3 of 14 Monoatomic one atom – not chemically bonded to another atom 4 of 14 Diatomic two atoms chemically bonded to each other 5 of 14 Isotopes atoms of the same element with a different number of neutrons and different masses 6 of 14 Relative isotopic mass the mass of an atom of an isotope compared to 1/12 of the mass of a atom of carbon-12 7 of 14 Relative atomic mass the average mass of an atom of a element compared to 1/12 of the mass of carbon-12 8 of 14 Metalloids An element with properties in-between, or a mixture of, metal and non-metal. 9 of 14 Ion an atom that has lost or gained one or more electrons (so is a charged particle) 10 of 14 Atom smallest component of an element 11 of 14 Particle general term used to describe any small portion of matter (e.g. atom, molecule) 12 of 14 Molecule two or more atoms bonded covalently 13 of 14 Mixture two or more substances mixed, that are not chemically bonded together 14 of 14
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