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Chemistry Vocab 1

Chemistry vocab 1

TermDefinition
Chemistry A science that deals with structures and properties
Noble Gas Group 18 in the periodic table with a full outer shell
Atomic number The number of protons in the nucleus of an atom
Nuclear Fusion A reaction where the nuclei of one atom combines with the nuclei of another to form a larger nuclei
Isotope Atoms with the same number of protons but not the same number of neutrons
Significant Figures The figure of a number that expresses a magnitude to a specific degree of accuracy
Density Mass per unit of volume
Metalloid Elements with the properties of both metals and non-metals
Mass Number Sum of protons and neutrons in the nucleus of an atom
Electron Cloud System of electrons surrounding the nucleus of an atom
Atom The smallest particle of a substance that can exist by itself
Precision The quality of being exact
Accuarcy The ability to work without making mistakes
Scientific Notation The method of expressing the number multiplied by 10 and the appropriate power
Percent Error Experimental value minus the accepted value, divided by the accepted and then multiplied by 100
Quantitative Data Numerical measurements rather than words
Qualitative Data Data in words rather than in numbers
Specific Heat The heat required to raise the temperature of the mass of a given substance by a given amount
Precipitate A solid produced by a chemical reaction in solution
Created by: Ahayes12
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