Chemistry 101L - Kentucky Department of Education

Alkali Metal. One of the elements from Column 1 (IA) in the Periodic Table. These are the elements Li, Na, K, Rb, Cs, and Fr. Alkaline Earth Metal. One of the elements from Column 2 (IIA) of the Periodic Table. These are the elements Be, Mg, Ca, Sr, Ba, and Ra. Allotropes. Forms of an element that have different properties from each other. ................
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