The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...

However, the elements never move places. The periodic table's layout means we can make ... Jon Chase uses universal indicator to measure the pH of a solution. BBC Teach has thousands of free ...

But how many of these elements do you know? Test your knowledge and compete with other Live Science readers to see who can ...

Sodium, like most elements in the periodic table could be said to have a dual personality ... Sodium carbonate was used in soap, and also, in the process of mummification thanks to its water absorbing ...

For those who defend the 'ph' version of sulfur ... can be found if we move just to the left in the periodic table and consider element 15, phosphorus, which means 'light-carrier' in the original ...