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| smallest part of a compound. |
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| smallest part of an element. |
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| 2 particles in the center of the atom. |
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| what kind of ion has extra electrons |
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| total number of protons and nuetrons in the atom. |
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Definition
| what does the mass number tell us |
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Definition
| what direction do periods go in the pt table? |
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| how many protons or electrons in an atom |
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| what does the atomic number tell us |
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| where do atoms place their electrons |
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| up and down columns in the pt are called? |
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| atoms that lose electrons |
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| look at the atomic number |
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Definition
| what do you do to find the number of electrons an atom has |
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| elements are represented with what? |
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| every atom in the same period has the same amount of ? |
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Definition
| which particle in an atom is negative |
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| opposite charges do what? |
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| atoms that gain electrons |
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| how many electrons go on each valence shell |
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| what is meant by the term electron arrangement? |
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Term
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Definition
| what is bigger, mass number or atomic number? |
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Term
| look at the atomic number |
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Definition
| what do you do to find the number of protons an atom has? |
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Definition
| what atom particle is postitive? |
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Definition
| atoms have an equal amount of? |
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| an organization chart for atoms |
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| heat expands the air then the air collapses back |
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| subtract the atomic number from the mass number |
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Definition
| how do you find the number of nuetrons in an atom |
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| what is bigger, atom or molecule? |
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| how many electrons can fit in the first valence shell |
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| what atom particle has no charge? |
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| all have one capital letter |
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Definition
| what is true of every symbol on the pt? |
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| elements going across are in the same? |
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| best example of a static discharge?? |
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