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10 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Periodic |
Describes something that occurs or repeats at regular intervals |
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Periodic Law |
The law that states that the repeating chemical and physical properties of elements change periodically with the atomic numbers of the elements |
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Period |
In chemistry, a horizontal row of elements in the periodic table |
In chemistry... |
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Group |
A vertical column of elements in the periodic table; elements in a _____ share chemical properties |
Periodic table |
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Alkali metal |
One of the elements of Group 1 of the periodic table (lithium, sodium, potassium, rubidium, cesium, and francium) |
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Alkaline-earth metal |
One of the elements of Group 2 of the periodic table (berylium, magnesium, calcium, strontium, barium, and radium) |
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Lanthanides |
Transition metals that follow lanthanum in the first row and are shiny, reactive metals; some of them are used to make steel |
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Actinides |
Transition metals in the second row that follow actinium and are radioactive |
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Halogen |
One of the elements of Group 17 of the periodic table (fluorine, chlorine, bromine, iodine, and astatine); combine with most metals to form salts |
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Noble gas |
One of the elements of Group 18 of the periodic table (helium, neon, argon, krypton, xenon, and radon); are unreactive |
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