English Dictionary

alkaline earth metal

noun

(inorganic chemistry) Any of the elements of group II of the periodic table; they are low-density metals that react readily with water to form strongly basic hydroxides, and with many acids to form salts.

Calcium is an alkaline earth metal.

意味（1）

(inorganic chemistry) Any of the elements of group II of the periodic table; they are low-density metals that react readily with water to form strongly basic hydroxides, and with many acids to form salts.