Search results
Gold is a chemical element; it has symbol Au (from Latin aurum) and atomic number 79. In its pure form, it is a bright, slightly orange-yellow, dense, soft, malleable, and ductile metal. Chemically, gold is a transition metal, a group 11 element, and one of the noble metals.
- COMEX
- 0.1
- Metal
- 10 USD
Though the name is Anglo Saxon, gold originated from the Latin Aurum, or shining dawn, and previously from the Greek. It's abundance in the earth's crust is 0.004 ppm. 100% of gold found naturally is isotope Au-197. 28 other isotopes can be produced artificially and are all radioactive.
Mar 19, 2020 · Element 79 is gold, one of the few elements whose name can be traced back to Old English. The metal, of course, has been known since antiquity. The word is recorded as early as c.725 in the Corpus Glossary, an early Latin-English dictionary: Obrizum, smaete gold. (Obrizum, refined gold).
- Anne Marie Helmenstine, Ph.D.
- Gold is the only metal that is yellow or "golden." Other metals may develop a yellowish color, but only after they have oxidized or reacted with other chemicals.
- Nearly all the gold on Earth came from meteorites that bombarded the planet over 200 million years after it formed.
- The element symbol for gold—Au—comes from the old Latin name for gold, aurum, which means "shining dawn" or "glow of sunrise." The word gold comes from the Germanic languages, originating from the Proto-Germanic gulþ and Proto-Indo-European ghel, meaning "yellow/green."
- Gold is extremely ductile. A single ounce of gold (about 28 grams) can be stretched into a gold thread 5 miles (8 kilometers) long. Gold threads can even be used in embroidery.
The Latin name for this mineral was "aurum" and Jöns Jakob Berzelius used Au to represent the element when he established the current system of chemical symbols. The Old English word "gold" first appeared in written form about 725 and may further have been derived from "gehl" or "jehl".
Oct 17, 2024 · gold (Au), chemical element, a dense lustrous yellow precious metal of Group 11 (Ib), Period 6, of the periodic table of the elements. Gold has several qualities that have made it exceptionally valuable throughout history.
People also ask
How did gold get its name?
Is gold a chemical element?
Is gold a radioactive element?
What are some interesting facts about gold?
What is the history of gold?
What does gold mean?
Origin of name: from the Anglo-Saxon word "gold" (the origin of the symbol Au is the Latin word "aurum" meaning "gold"). Gold has always fascinated people and gold is certainly one of the very first metals known.
