Today's Word of the Day means...
The symbol for the element chromium.
A bipolar lead of an electrocardiograph that has electrodes attached to the chest and right arm.
The symbol for chromium.
A hard, shiny, steel-gray metallic element that is rust-resistant and does not tarnish easily. It is used to plate other metals, to harden steel, and to make stainless steel and other alloys. Atomic number 24; atomic weight 51.996; melting point 1,890°C; boiling point 2,482°C; specific gravity 7.18; valence 2, 3, 6. See Periodic Table.
The country code for Costa Rica.