The appropriate dose of biotin depends on several factors such as the userâs age, health, and several other conditions. At this time there is not enough scientific information to determine an appropriate range of doses for biotin. Keep in mind that natural products are not always necessarily safe and dosages can be important.
The symbol of copper is Cu, which means cuprum, the Latin word for copper.t was called cuprum back in the day, which i â¦ s Latin. And that Latin name is the source of its chemical symbol, Cu.   You may be familiar with natrium (sodium, chemical symbol Na) and ferrum (iron, chemical symbol Fe).
Symbol Au A soft, shiny, yellow element that is the most easily shaped metal. It occurs in veins and in alluvial deposits. Because it is very durable, resistant to corrosion, and a good conductor of heat and electricity, gold is used as a plating on electrical and mechanical components.