Ions, Periodic Table, Electron configuration Flash cards

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Periodic Table

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A tabular arrangement of the chemical elements, organized by their atomic number, electron configuration, and recurring chemical properties.

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Periodic Law

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The principle that the properties of the elements recur periodically as their atomic numbers increase.

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Period

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A horizontal row in the periodic table.

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Group or Family

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A vertical column in the periodic table, where elements have similar properties.

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Metals

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Elements that are good conductors of heat and electricity, typically malleable and ductile.

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Non Metals

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Elements that are poor conductors of heat and electricity, often brittle in solid form.

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Metalloids

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Elements with properties intermediate between metals and nonmetals.

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Valence Electrons

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Electrons in the outer shell of an atom that are involved in forming bonds.

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Octet Rule

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The principle that atoms tend to bond in such a way that they have eight electrons in their valence shell.

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Energy Levels

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The fixed distances from the nucleus of an atom where electrons may be found.