Rubidium (Rb), a chemical element of Group 1 (Ia) in the periodic table, an alkali metal group. Rubidium is the second most reactive and very soft metal sequence, with a silvery-white luster. Rubidium was invented (1861) spectroscopically by German scientists Robert Bunsen and Gustav Kirchhoff and named after two prominent red lines of its spectrum. […]
Tag: everyday life
Have you ever been drinking soft drinks? Each of us must have drunk soft drinks that are sold in the market. Fans of this type of beverage are also not small, from small children to older age groups. Soft drinks are also very easy to find and has a delicious taste and refreshing. It comes […]
Calcium Oxide (CaO), commonly known as raw lime or baked lime, is a widely used chemical compound. Calcium oxide is an alkaline crystal, caustic, white solid at room temperature. The broad term used “lime” connotes inorganic materials containing calcium, which include carbonates, oxides and calcium hydroxides, silicon, magnesium, aluminum, and iron dominating, such as limestone. […]