First 20 Elements Of The Periodic Table: The atomic number and symbols are important in chemistry. The atomic number of elements gives us an idea about the atomic structure of elements, such as how ...

The periodic table, also called the periodic table of elements, is an organized arrangement of the 118 known chemical elements. The chemical elements are arranged from left to right and top to bottom ...

These rules help in identifying and writing chemical symbols consistently across all elements. The symbol serves as a shorthand notation for each element's name in formulas and equations, making ...

This week, we meet the element lawrencium, which has the atomic symbol, Lr, and the chemical number, 103. It was named in honour of nuclear physicist Ernest O. Lawrence, who worked at the University ...

This week, we meet the element seaborgium, which has the atomic symbol, Sg, and the atomic number, 106. This element was named in honour of Glenn Seaborg -- whilst he was still alive. Professor ...