n. - A rare alkaline metal found in mineral water; -- so called
from the two characteristic blue lines in its spectrum. It was the
first element discovered by spectrum analysis, and is the most strongly
basic and electro-positive substance known. Symbol Cs. Atomic weight
132.6.
n. - A rare alkaline metal found in mineral water; -- so called
from the two characteristic blue lines in its spectrum. It was the
first element discovered by spectrum analysis, and is the most strongly
basic and electro-positive substance known. Symbol Cs. Atomic weight
132.6.