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 ...

Discover who created the periodic table of elements and how it works. Learn about Dmitri Mendeleev’s contributions, its ...

while also giving each individual element its own chemical symbol. In this periodic table of elements quiz, you have 10 ...

However, he is remembered for his search for a pattern in inorganic chemistry. Just four years before Mendeleev announced his periodic table, Newlands noticed that there were similarities between ...

Group 1 elements react with moist air. They are stored in oil to stop air and water vapour coming into contact with them. Moist air reacts with potassium to form potassium oxide. This creates a ...

We all had different favorite subjects at school that we wanted to have more classes in. Chemistry is a controversial one ...

The elemoots with identical chemical character were found to occupy the same place in the periodic table, and were, therefore; termed isotopes. Conversely, the elements recognized by chemical and ...

You're listening to Chemistry in its element brought to you by Chemistry World, the magazine of the Royal Society of Chemistry. Hello, this week we're almost at the top of the periodic table because ...

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 ...

The periodic table exists because, long before chemists were aware of electrons, they noticed patterns in the chemistry of ...