Answer | Crossword Clue |
---|---|
SER | To be (Sp.) |
ESTAR | To be (Sp.) |
ESTAR | To be: Sp. |
SER | To be: Sp. |
ESTA | Form of "to be": Sp. |
ESTES | Part of "to be": Sp. |
beryllium | steel-gray, bivalent, hard, light, metallic element, the salts of which are sweet: used chiefly in copper alloys for better fatigue endurance, in springs, and in electrical contacts. Symbol: Be; at. wt.: 9.0122; at. no.: 4; sp. gr. |