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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 ...

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 the symbol for hydrogen gas and oxygen gas? | Yahoo Answers


Jul 12, 2009 ... shouldn't hydrogen gas be H^2 and oxygen gas be O^2? thanks!

What is Oxygen? - The Periodic Table


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.

Oxygen | Define Oxygen at Dictionary.com


Oxygen definition, a colorless, odorless, gaseous element constituting about ... Symbol: O; atomic weight: 15.9994; atomic number: 8; density: 1.4290 g/l at 0°C ...

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 ...

What is the chemical symbol for oxygen - Answers.com


The chemical symbol for oxygen is O, but it is frequently writtenas O2. This is because when oxygen is not chemically combined withanything else, it.

#8 - Oxygen - O


Name, Oxygen. Symbol, O. Atomic Number, 8. Atomic Mass, 15.999 atomic mass units. Number of Protons, 8. Number of Neutrons, 8. Number of Electrons, 8.

Elements and Compounds


Water is made up of the elements hydrogen and oxygen. The smallest ... To write a pair of oxygen atoms using symbols, we use the symbol O and the number 2.

More Info

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 ...

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.

Oxygen Facts - Air, Gas, Atom, Uses, Properties, Water, Ozone ...


Oxygen is an element with the chemical symbol O and atomic number 8. ... Oxygen is essential to human life, it is found in the air we breathe and the water we ...