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17 Cards in this Set
- Front
- Back
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atom
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is the smallest piece of an element that has all the properties of that element
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atomic number
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the number of protons an atom has in its nucleus
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bohr diagram
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diagram that represents protons ,neutrons ,energy levels and electrons
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chemical symbol
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is a way of using 1 or 2 letter to stand for the name of the element
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electron
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also called energy levels found outside of the nucleuses
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energy level
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electrons are found in a path around an atom's nucleus
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family
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vertical number all the elements have same identical prop ties
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isotope
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atom of the same element with different number of nuetrons
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mass number
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total number of of all of the properties plus all of the neutrons in an atom's nucleus
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metallloid
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has the characteristics of a metal and nonmetal
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metal
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good conductors of heat and electricity
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neutrons
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atoms mass
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non metal
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poor conductor of heat and electricity
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nucleus
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atoms mass
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period
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shell energy level horizontal
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periodic table
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chart with the elements
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protons
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jj
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