Alkali metals in water – Chemical elements: properties and reactions (1/8)

There are six alkali metals: Lithium, sodium, potassium, rubidium, cesium and francium. They are all soft metals which can be cut with a knife. In air the elements quickly become coated with compounds that form on the metal’s surface. Here, for example, is lithium. When we slice it, you can see the metallic lustre but […]

Cerium – A Metal, which forms BRIGHT SPARKS!

Hello everyone! Today we’ll take a look at the secret corners of periodic table of chemical elements. By looking at the class of lanthanides metals. That are quite active, but at the time .. metals and have some unique properties. Today we’ll focus of this metal called cerium, which is almost as the beginning of […]