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Chemistry Unit 1

TermDefinition
Noble Gas Rare gases with great stability and low reaction rates
Electron Cloud The electrons in an atom near the nucleus
Density The state of being dense or heavy
Precipitate To fall abruptly
Accuracy Having the correct answer
Nuclear fusion Nuclei of atoms are joined or FUSed together
Atom Smallest particle in element, can be alone or with cluster of others
Specific Heat The heat in calories required to move the temperature up one Celsius space
Scientific Notation Numbers simplified by being multiplied or simplified by a number to a certain power
Chemistry A science that deals with properties and structure of the elements and the transformations that they undergo
Significant Figures Number of digits giving meaning to a number and its measurement
Metalloid An element in between properties of metal and nonmetal
Isotope Elements with the same atomic number and chemical behavior but completely different physical properties or mass number
Mass number Approximately the mass of an isotope
Percent age Error The difference between the experimental and accurate value divided by the accurate value times one hundred
Qualitative Relating to or involving quality of a kind
Quantitative Expressing in terms of quantity
Atomic Number Represents the number of protons in each element
Precision Being precise; solution being similar after each trial
Created by: Mary128133
 

 



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