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Oxygen is a chemical element with symbol O and atomic number 8. It is a member of the chalcogen group on the periodic table and is a highly reactive nonmetal ...

Why is oxygen in chemical equations written as O2, when the ...


Oxygen is written as O2 when there are two oxygen atoms in the molecule. Pure oxygen doesn't generally exist as individual atoms, two oxygen atoms bond ...

What is the chemical symbol for the element oxygen? | Reference.com


The chemical symbol for oxygen is "O." Oxygen is number 8 on the periodic table of the elements, and it is part of the chalcogen...

Oxygen»the essentials [WebElements Periodic Table]


While about one fifth of the atmosphere is oxygen gas, the atmosphere of Mars contains only about ... The symbol used by Dalton for oxygen is shown below.

Chemical Symbols and Chemical Reactions


You will have to learn these, and other, chemical symbols for the terminal GCSE exam. For the other ... What is the chemical symbol for oxygen ? What is the ...

Chemistry for Kids: Elements - Oxygen - Ducksters


Kids learn about the element oxygen and its chemistry including atomic weight, ... Symbol: O; Atomic Number: 8; Atomic Weight: 15.999; Classification: Gas and ...

Isotopes and Nuclear Symbols - Worked Chemistry Problem


This worked problem demonstrates how to write nuclear symbols for isotopes of a given element. Problem Write the nuclear symbols for three isotopes of oxygen ...

Facts About Oxygen - Live Science


Sep 28, 2014 ... Properties and uses of the element oxygen. ... in the nucleus): 8; Atomic Symbol ( on the Periodic Table of Elements): O; Atomic Weight (average ...

File:Oxygen symbol.svg - Wikimedia Commons


Mar 17, 2016 ... File:Oxygen symbol.svg ... contribs), {{Information |Description=Oxygen symbol | Source=Own Work |Date=2006-07-08 |Author=Jerome Walker ...

Elements and Compounds


Water is made up of the elements hydrogen and oxygen. The smallest ... The symbol for oxygen is O. "O" stands for one atom of oxygen. Oxygen stoms are ...

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Chemical Elements.com - Oxygen (O)


Name: Oxygen Symbol: O Atomic Number: 8. Atomic Mass: 15.9994 amu. Melting Point: -218.4 °C (54.750008 K, -361.12 °F) Boiling Point: -183.0 °C (90.15 K, ...



Oxygen is an element and as such is abbreviated by the chemical symbol O; Oxygen as a gas consists of two (2) elemental atoms of oxygen.forming a molecule ...

What is Oxygen? - Site Index


Info about the element Oxygen includes the definition, classification, history, discovery, ... The Atomic Number of this element is 8 and the Element Symbol is O.