For example, the element symbol for iron is Fe, from the latin word ferrum for iron. On the periodic table, metals are found on the left and in the middle, and non-metals are on the right.

The periodic table is a good example of how scientific ideas develop over time. Mendeleev left gaps in his table when he drew it up in 1869, using his insights to predict that scientists would ...

Each dirt sample is then compared to dirt found at the crime scene ... As part of the ChemClub's 10 th Anniversary, we asked clubs to create elements of the periodic table featuring a mole. The Period ...

An Australian man described as a "science nerd" may face jail time, after attempting to collect all the elements in the ...

For example, calcium and phosphorus form a strong ... These are almost one-quarter of the periodic table and are mainly found in the first four periods. Of these, 11 are essential elements that ...

Electronegativity, an essential characteristic of all elements in the periodic table, measures an atom's ability to attract electrons towards itself within a chemical bond. This vital theoretical ...