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unit 1
atomic struture
| Term | Definition |
|---|---|
| atom p.507 | the smallest piece of matter that still retains the property of of the element. |
| atomic number p.513 | number of protons in an atom's nucleus |
| average atomic mass p.515 | the weighted-average mass of the mixture of it's isotopes |
| electrons p.507 | particles with an electrical charge of 1- |
| electron cloud p.511 | the area around the nucleus of an atom where it's electrons are most likely found. |
| electron dot gram p.522 | the symbol of the elements and dots to represent the electrons in the outer energy level |
| group p.520 | the vertical columns in a periodic table |
| isotope p.514 | atoms of the same element that have different numbers of neutrons. |
| mass number p.513 | the sum of number of protons and the number of neutrons in the nucleus of an atom |
| neutrons p.507 | neutral particles that do not have an electrical charge |
| nucleus p.507 | the positively charged center of a nucleus |
| period p.523 | the horizontal rows of elements on the periodic table |
| periodic table p.516 | elements arranged by increasing atomic number and by changes in physical and chemical properties |
| protons p.507 | particles with an electrical charge of 1+ |
| quark p.507 | small particles that make up protons and nuetrons |
Created by:
elijahsanders
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