Open-pit mining is a surface mining method where rocks & minerals are removed from an open pit near the earth’s surface. Definition, description, & benefits.| www.angloamerican.com
Learn all about the element sulfur, a highly versatile, brittle, nonmetallic element from the periodic table, that is essential to life.| ChemTalk
You will learn about the history, chemistry, properties, allotropes and health effects of the element selenium, symbol Se on the periodic table| ChemTalk
Complete lesson and list of facts about the element silver - a shiny transition metal of the periodic table.| ChemTalk
Learn the properties of the transition metals, aka transition elements, groups 4-11 on the periodic table, plus fun facts and their chemistry| ChemTalk
In this concept tutorial, learn about what an isotope is, some common isotopes and their uses, and how isotopes form and breakdown.| ChemTalk
The list of most important strong acids and strong bases, and how to calculate their pH - along with some bonus acids you didn't know about| ChemTalk
How to write electron configurations & orbital diagrams for elements, with Hund's rule, Aufbau's principle & the Pauli Exclusion Principle| ChemTalk