The color of a kittenâs fur can give clues to its sex. Certain colors, like calico (large patches of black, white, and orange) and tortoiseshell (marbled black, orange/brown, and sometimes white), are carried on the X chromosome and require two X chromosomes to appear.
Tungsten, also known as wolfram, is a chemical element with the chemical symbol W and atomic number 74. The word tungsten comes from the Swedish language tung sten directly translatable to heavy stone, though the name is volfram in Swedish to distinguish it from Scheelite, in Swedish alternatively named tungsten.
Tungsten comes under metals and has a steel-gray color. It has the highest melting point amongst metals. It is 19.3 times heavier than water and 71% heavier than lead.It is b â¦ rittle and its alloys are used in the filament of incandescent bulbs. 2 people found this useful.ungsten was discovered in Spain in 1783 by the D'Elhuyard brothers, two Spanish chemists who had studied in Sweden under Carl Wilhelm Scheele who first isolated the white pow â¦ der tungstic acid. As a reference to Scheele's work the element has a Swedish name: Tungsten means heavy stone in Swedish.