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Compound Vocab

Compounds

QuestionAnswer
Atom The smallest unit of an element
Element A substance that cannot be broken down into simpler substances by chemical means
Compound Chemicals made from atoms of different elements joined by chemical bonds.
Mixture Combination of two or more pure substances in which each pure substance retains its individual chemical properties. Can be composed of solids, liquids, or gases.
Physical Change Change in a substance doesn't change what the substance is.
Chemical Change A new substance is formed and energy is either given off or absorbed.
Exothermic Chemical reaction that releases energy in the form of heat.
Endothermic Chemical reaction that absorbs heat energy from its surroundings.
Density Measurement that compares the amount of matter an object has to its volume.
Mass Used to refer to the amount of matter in any given object.
Volume The amount of space occupied by an object measured in three dimensions, expressed in cubic units.
Density If you take the amount of mass of an object and divide that by its volume, you have?
Periodic Table An arrangement of the chemical elements in rows and columns that are ordered by their atomic number.
Metal Can conduct electricity, has shiny luster, and malleable.
Nonmetal Has a dull luster and brittle.
Metalloid Can take on the properties of both metals and nonmetals.
Brittle Liable to break or shatter easily.
Malleable Able to be hammered or pressed permanently out of shape without breaking or cracking.
Ductility Hammered thin or stretched into wire without breaking.
Matter Something that occupies space.
Matter Solids, Liquids, Gases
Created by: nikmart