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1 天前 · Platinum is a member of the platinum group of elements and group 10 of the periodic table of elements. It has six naturally occurring isotopes. It is one of the rarer elements in Earth's crust, with an average abundance of approximately 5 μg /kg. It occurs in some nickel and copper ores along with some native deposits, mostly in South Africa ...
- silvery white
- group 10
- 78
1 天前 · Etymology Formerly the Republic of Upper Volta, the country was renamed "Burkina Faso" on 4 August 1984 by then-President Thomas Sankara.The words "Burkina" and "Faso" stem from different languages spoken in the country: "Burkina" comes from Mooré and means "upright", showing how the people are proud of their integrity, while "Faso" comes from the Dioula language (as written in N'Ko: faso ...
