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9 Cards in this Set
- Front
- Back
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atoms
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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 ha in its nucleus.
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bohr diagram chemical
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the small circle in the middle represents the nucleus.
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electron
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an electron has very little mass.
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energy level
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the fixed amount of energy that a system described by quantum.
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istope
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are different types of atoms of the same chemical element.
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mass number
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total number of all the protons plus all of the neutrons in an atoms nucleus.
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metalloid
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an element with both properties of both metals and non metals
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metal
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any element on the left side of the periodic table.
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