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An element is a substance that is made up of only one kind of atom and cannot be broken down into any other, simpler substance. A simple shorthand system is used for representing elements. The...
the metals are on the left and the non-metals are on the right. the main groups are numbered from 1 to 7 going from left to right, and the last group on the right is Group 0. the block in between...
Interactive periodic table showing names, electrons, and oxidation states. Visualize trends, 3D orbitals, isotopes, and mix compounds. Fully descriptive writeups.
Group 0 - chemical properties. Elements in the same group of the periodic table show trends in physical properties, such as boiling point. They have the same number of electrons in their...
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- Electronic structure
Oxygen is the 8th element in the periodic table and has a symbol of O and atomic number of 8. It has an atomic weight of 15.999 and a mass number of 16. Oxygen has eight protons and eight neutrons in its nucleus, and eight electrons in two shells.
May 21, 2015 · Oxygen is the eighth element of the periodic table. It is atomic number 8 with element symbol O. Oxygen is best known as the element we need in order to breathe, but it has many other interesting properties.
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 even test your elements knowledge by playing a periodic table game!
