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Chemistry

TermDefinition
Chemistry a branch of physical science that studies the composition, structure, properties and change of matter.
Accuracy the quality or state of being correct or precise
Significant figures each of the digits of a number that are used to express it to the required degree of accuracy, starting from the first nonzero digit
Scientific notation a method of writing or displaying numbers in terms of a decimal number between 1 and 10, multiplied by a power of 10
Presicion the quality, condition, or fact of being exact and accurate
Mass number the total number of protons and neutrons in a nucleus
Noble gas any of the gaseous elements pf the periodic table
Atomic number the mass of an atom of a chemical element expressed in atomic mass units
Qualitive relating to, measuring, or measured by the quality of something rather than its quantity
Quantitave relating to, measuring, or measured by the quantity of something rather than its quality
Nuclear fusion a nuclear reaction in which atomic nuclei of low atomic number fuse to form a heavier nucleus with the release of energy
Metalloid an element whose properties are intermediate between those of metals and solid nonmetals
Precitate cause to happen suddenly, unexpectedly, or prematurely
Atom the basic unit of a chemical element
Density the degree of compactness of a substance
Isotope each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei
Specific heat the heat required to raise the temperature of the unit mass of a given substance by a given amount
Electron cloud the area on which electrons go around the atom
Present error a measure of how innaccurate a measurement is
Created by: jacob.dixon7829