Interactive periodic table showing names, electrons, and oxidation states. Visualize trends, 3D orbitals, isotopes, and mix compounds. Fully descriptive writeups.

The periodic table, also known as the periodic table of the elements, is an ordered arrangement of the chemical elements into rows ("periods") and columns ("groups").

Dec 22, 2025 · What is the periodic table? How many elements are on the periodic table? There are 118 elements on the periodic table. The elements are arranged in order of increasing atomic number, …

Interactive periodic table with up-to-date element property data collected from authoritative sources. Look up chemical element names, symbols, atomic masses and other properties, visualize trends, or …

Mendeleev modeled his periodic table on the basis of increasing atomic mass, whereas, the modern periodic law is based on the increasing order of atomic numbers. Even though Mendeleev’s periodic …

There is no one single or best structure for the periodic table but by whatever consensus there is, the form used here is very useful and the most common. The periodic table is a masterpiece of …

Dec 27, 2024 · Once you’re familiar with the element key, layout and structure, it’s easy to read the periodic table. What is the Periodic Table Key? The box containing each element’s information is …