Monthly Archives: January 2019






These are the transition metals, according to the IUPAC definition.
The transition metals are the largest group of elements on the periodic table. They got their name because English chemist Charles Bury described a transition series of elements in 1921. Bury examined the transition from an inner electron layer with 8 electrons to a layer with 18 electrons and from […]

Transition Metals Definition, List and Properties   Recently updated !



A neutral tritium atom contains one proton, two neutrons, and one electron.
Tritium is the radioactive isotope of the element hydrogen. It is also known as hydrogen-3 or using the shorthand notation T or 3H in chemical formulas and reactions. The nucleus of the tritium atom, called a triton, contains one proton and two neutrons. The word tritium comes from the Greek […]

Tritium Facts (Hydrogen Isotope)





These pH paper test strips were made using paper coffee filters that had been cut up into strips and dipped in red cabbage juice. The strips can be used to test the pH of common household chemicals.
It’s easy to make non-toxic pH paper test strips from red cabbage juice. This is a fun project for kids to do at home. If you calibrate the test strips, they are useful for a school lab. What You Need Basically, all you need is a red or purple cabbage, […]

How to Make Red Cabbage pH Paper