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What Is Scandium? Scandium is a silvery white metal that is relatively rare in the earth’s crust. It was discovered in 1879 by Lars Nilson, and its atomic number is 21. Its symbol is Sc. Scandium is also named after Scandinavia, where it was first found. Why Is Scandium Used in Electronics? Scandium is used … Read more
Chromium is a chemical element with the symbol Cr and atomic number 24. It is a soft, silver-white, lustrous metal that is also used in stainless steel and color television sets. Chromium is abundant in the Earth’s crust, with a maximum concentration of about 24 parts per million. The metal is not found as a … Read more