What is a alkaline metal someone please tell me

The alkaline earth metals are six chemical elements in group 2 of the periodic table. They are beryllium, magnesium, calcium, strontium, barium, and radium. The elements have very similar properties: they are all shiny, silvery-white, somewhat reactive metals at standard temperature and pressure.

Explanation:

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Alkaline metals are elements in group 2 of the periodic table. The alkaline earth metals are beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra).

Many of the physical properties common to metals

-harder, denser, stronger than alkali metals

-higher melting points than alkali metal

-less reactive than alkali, nonetheless too reactive to be found in nature as a free element

the answer is c. it will give up it's valence electron to the other atom.