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Cards In This Set
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Element
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A substance that cannot be separated into different substances by ordinary chemical methods. All elements are listed on Periodic Table.
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Atom
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The smallest component of an element that still retains the properties of the element.
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Proton
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Particle found in an atom's nucleus that carries a positive charge.
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Neutron
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Particle found in an atom's nucleus that is neutral, carries no charge.
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Electron
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A particle that orbits the nucleus of an atom, has a negative charge. Same number as protons...usually.
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Molecule
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The smallest particle of an element or compound that can exist in the free state and still retain the characteristics of the element or compound.
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Periodic Table
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Arranged in order of increasing atomic number.
Rows = periods. Columns = groups. Same number of electrons in outer shell. |
