Chemical element of metals. Cu comes from Cuprum, Fe comes from Ferrum, Ag from Argentum. The symbols were not followed by a period (full stop) as with abbreviations. Later chemical elements were also assigned unique chemical symbols, based on the name of the element, but not necessarily in English. For example, sodium has the chemical symbol 'Na' after the Latin "natrium". The same applies to "W" (wolfram) for tungsten, "Fe" (ferrum) for iron, "Hg" (hydrargyrum) for mercury, "Sn" (stannum) for tin, "K" (kalium) for potassium, "Au" (aurum) for gold, "Ag" (argentum) for silver, "Pb" (plumbum) for lead, "Cu" (cuprum) for copper, and
This Is What You Came For This Is What You Came For "This Is What You Came For" is a song by Scottish DJ and record producer Calvin Harris, featuring Barbadian singer Rihanna. It was released on 29 April 2016, through Columbia Records and Westbury Road. The song was written by Taylor Swift, who was initially credited with the pseudonym Nils Sjöberg. Rihanna and Harris had previously collaborated on her sixth studio album, "Talk That Talk", which included the international chart-topper "We Found Love" and US top five single "Where Have You Been", the former of which was written and produced by Harris. He played the