by Samiul Hasan | Jan 16, 2022 | Chemical element |
What is gold? Gold is a chemical element. In a pure form it is a bright, slightly orange yellow, dense, soft, malleable, and ductile matter. Chemical Properties and Symbol of Gold. The symbol of gold is Au (from Latin: aurum) and atomic number 79. It is...
by Samiul Hasan | Jan 15, 2022 | Chemical element |
What is Mercury(Hg)? Mercury(Hg) is a chemical element. It is the only common metal which is liquid at ordinary temperature and pressure. It is commonly known as quicksilver. Discovery History of Mercury. Mercury was found in Egyptian tombs that date from 1500 BC. In...