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6 Cards in this Set
- Front
- Back
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Group |
A vertical column of elements in the periodic table. The elements have similar properties because they have the same outer electron arrangement. |
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Periodicity |
The regular recurrence of the properties of elements when they are arranged in atomic number order as in the periodic table. |
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Period |
A horizontal row of elements in the periodic table. There are trends in the properties of the elements as you cross a period. |
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Alkaline earth metals |
The metals in group 2 of the periodic table. |
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Displacement reaction |
A chemical reaction in which one atom or group of atoms replaces another in a compound. |
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Disproportionation |
A redox reaction in which the oxidation number of some atoms of a particular element increases and that of other atoms of the same element decreases. |
