Zinc is a chemical element with the symbol Zn and atomic number 30. It is a bluish-silvery metal that is found in ores in many parts of the world. Zinc is the 24th most abundant element in Earth‘s crust. It makes up an average of 65 grams (2.3 ounces) of every ton of Earth’s crust. … Read more
Nickel is a chemical element with the symbol Ni and atomic number 28. It is a silvery white metal with a slight golden tinge. Nickel is hard, malleable, and ductile metal. It is markedly resistant to oxidation and corrosion. Nickel has high electrical and thermal conductivity. The melting point of nickel is 1455 °C (2651 … Read more
Platinum is a chemical element with the symbol Pt and atomic number 78. Its name is derived from the Spanish term platino, meaning “little silver.” It is a dense, malleable and ductile metal and has a beautiful silver-white color. Platinum a precious metal, meaning that it is very rare and valuable. It is one of … Read more
Lead is a chemical element with the symbol Pb and atomic number 82. The symbol Pb for lead is an abbreviation of the Latin word for lead, plumbum. It is an extremely dense but malleable metal that is very resistant to corrosion. Lead is a heavy metal. The term heavy metal refers to any metallic … Read more
Tin is a chemical element with the symbol Sn and atomic number 50. The name “tin” is an ancient Anglo-Saxon word. The symbol Sn, comes from the Latin word for tin – stannum. The word stannum itself derives from an Indo-European word stag or stagnum, meaning “dripping.” Tin was probably described like this because it … Read more
Gold is a chemical element with the symbol Au and atomic number 79. The symbol “Au” is from the Latin:‘aurum’ meaning ‘yellow’, derived from the word ‘aurora’ (‘dawn’). The word “gold” comes from the Old English word “geolu,” meaning yellow. In its purest form, it is a bright, slightly reddish yellow, metal. Gold is one … Read more