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hobart.k12.in.us/ksms/PeriodicTable/oxygen.htm

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.

www.rsc.org/periodic-table/element/8/oxygen

Element Oxygen (O), Group 16, Atomic Number 8, p-block, Mass 15.999. Sources , facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

www.angelo.edu/faculty/kboudrea/periodic/structure_numbers.htm

In a periodic table arranged in order of increasing atomic number, elements having similar ... The Elements, sorted by Atomic Number ... 8, O, Oxygen, 15.9994.

en.wikipedia.org/wiki/Oxygen

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

www.youtube.com/watch?v=Egxnmux8wNM

Mar 11, 2020 ... If you are confused the Atomic Mass will be the larger number – think of it as more massive than the Atomic Number. Often it also has decimals. If ...

www.britannica.com/science/oxygen

atomic number, 8. atomic weight, 15.9994. melting point, −218.4 °C (−361.1 °F). boiling point, −183.0 °C (−297.4 °F). density (1 atm, 0 °C), 1.429 g/litre.

scienceline.ucsb.edu/getkey.php?key=990

Oct 8, 2005 ... Oxygen with the symbol O has the atomic number 8 which means it is the 8th element in the table. The number eight also means that oxygen ...

pubchem.ncbi.nlm.nih.gov/element/Oxygen

Oxygen. Cite. Download. Oxygen is a chemical element with symbol O and atomic number 8. Classified as a nonmetal, Oxygen is a gas at room temperature.

www.fnal.gov/pub/science/inquiring/questions/particles_properties.html

Apr 28, 2014 ... The key properties of an atom (like oxygen) are described by the Atomic Number (which is 8 for Oxygen) and the total number of nucleons ...

www.sciencelearn.org.nz/resources/2701-oxygen

Jan 24, 2019 ... Oxygen is a chemical element – a substance that contains only one type of atom. Its official chemical symbol is O, and its atomic number is 8, ...