Chemistry

Learn about chemistry, the study of matter and its reactions. Find projects, study notes, periodic tables, and worked example problems.


Pure elemental cobalt. (Alchemist-hp)
Cobalt is atomic number 27 on the periodic table and element symbol Co. This hard, blue-gray transition metal is used in alloys and imparts a blue color to glass. Here are cobalt facts, including its properties, uses, and health effects. Cobalt Facts Discovery: Cobalt compounds have been used since the […]

Cobalt Facts – Atomic Number 27 or Co


This colored periodic table is a brightly colored periodic table suitable for printing. The table contains all 118 known elements and each element’s number,┬ásymbol, name, and atomic mass. The color scheme shows the different element groups and is light enough to write in any other useful information or notes you […]

Colored Periodic Table – Printable Periodic Table




Examples of pure iron (Alchemist-hp)
Iron is an element that is essential for human life and found in pure form as well as alloys. It is found in hemoglobin in red blood cells and cast iron cookware. Here are interesting element facts about iron, a transition metal with the element symbol Fe and atomic number […]

Iron Facts – Atomic Number 26 or Fe   Recently updated !



Add highlighter ink to make water glow under a black light or phosphorescent powder to really make glowing water.
Glowing water is useful for making spectacular fountains, “magic” potions, and for added pizazz for a party or science project. Chemicals to Make Water Glow in the Dark Ordinarily, water doesn’t glow. There’s actually an exception to this. Water in a nuclear reactor does glow blue due to Cherenkov radiation. […]

How to Make Glowing Water