Monthly Archives: May 2015



Lithium Flame Test
Lithium is atomic number 3 on the periodic table with element symbol Li. Here are a collection of lithium facts, including its properties, uses, and sources. Basic Lithium Facts Name: Lithium Atomic Number: 3 Element Symbol: Li Group: 1 Period: 2 Block: s Element Family: Alkali Metal Atomic Mass: [6.938; 6.997] IUPAC guidelines6.941 is commonly used for a […]

Lithium Facts




Helium Atom
Basic Helium Facts Name: Helium Atomic Number: 2 Element Symbol: He Group: 18 Period: 1 Block: s Element Family: Noble Gas Atomic Mass: 4.002602(2) Electron Configuration: 1s2 Discovery: First identified: Pierre Janssen in 1868. First Isolated: Sir William Ramsay in 1895. Janssen was a French astronomer who observed a new yellow spectral line while observing a […]

Helium Facts – Atomic Number 2 or He





Chemistry Word Search
Add a little fun to learning chemistry vocabulary. This chemistry word search contains vocabulary words associated with the science of chemistry. The terms can be found horizontally, vertically and diagonally. Click the image below to view the full sized version or download a PDF version for printing. For the people […]

Chemistry Word Search Puzzle


Things that glow under black light
A black light is a type of light bulb that emits mostly ultraviolet radiation. Although most bulbs also give off a faint violet glow, the majority of the light is outside the visible range. This energetic radiation excites molecules, often producing fluorescence or phosphorescence. A visible photon is released when […]

List of Things That Glow Under Black Light