Chemistry
About this set
Created by:
quizletsupport Staff on May 18, 2011
Subjects:
Description:
Chemistry study material
Classes:
[***The School Class***], Home Page Sets, Dunbar Study Stuff
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10 terms
English | Photos |
|---|---|
 atom |  the smallest particle of an element |
| electron |  one of the negatively charged particles outside an atom's nucleus |
| nucleus |  the central core of the atom |
| proton |  one of the positively charged particles in an atom's nucleus |
| energy level |  the specific amount of energy an electron has |
| neutron | one of the neutrally charged particle in the atom's nucleus |
| atomic number |  the number of protons in the nucleus of an atom |
| isotope |  an atom of the SAME element that has a different number of neutrons |
| mass number |  the sum of the protons and neutrons in the nucleus of an atom |
| atomic mass |  the average mass of all the isotopes of an element |
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