Question

what is mean by alkaline earth metal

Answer 1

Generally, in the periodic table, 2A group elements are called as alkaline earth metals.
These are the named so because these metals are found in the earth's crust and these metals form their respective alkalis when reacted with water.

So, these metals are called as alkaline earth metals.

Answer 2

hey frnd...

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your answer is given below ::--

☆ALKALINE EARTH METAL:--
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In group iiA ,any of the six highly reactive chemical elements in periodic table including order of increasing reactivity,beryllium, magnesium, calcium, strontium, barium, and radium: an oxide of any of these metals is called an☆ alkaline earth.

▪alkaline earth metals are highly metallic.

▪good conductors of electricity.

▪They have a gray-white lustre .

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hope it helps⤴