Quiz: Remember the definition of mal de mer?
"hawk-headed sovereign sun god of Egyptian mythology," from Egyptian R' "sun, day."
The symbol for the element radium.
The symbol for radium.
A rare, bright-white, highly radioactive element of the alkaline-earth group. It occurs naturally in very small amounts in ores and minerals containing uranium, and it is naturally luminescent. Radium is used as a source of radon gas for the treatment of disease and as a neutron source for scientific research. Its most stable isotope is Ra 226 with a half-life of 1,622 years. Atomic number 88; melting point 700°C; boiling point 1,737°C; valence 2. See Periodic Table.
Anger; the RED ASS (1942+)