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atomic number for Selenium

Selenium

Selenium

34
wikipedia
What is the atomic number (the number of protons found in an atom) of the element selenium, a chemical element with the atomic number 34, represented by the chemical symbol Se, an atomic mass of 78.96?
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External web pages (using standard web search):

Chemical Elements.com - Selenium (Se)
Name: Selenium Symbol: Se Atomic Number: 34 Atomic Mass: 78.96 amu Melting Point: 217.0 °C (490.15 K, 422.6 °F) Boiling Point: 684.9 °C (958.05005 K, 1264.8201 °F)
http://www.chemicalelements.com/elements/se.html
Atomic Data for Selenium (Se)
Selenium (Se) Atomic Data for Selenium (Se) Atomic Number = 34 Atomic Weight = 78.96 Reference E95
http://physics.nist.gov/PhysRefData/Handbook/Tables/seleniumtable1.htm
Selenium - Wikipedia, the free encyclopedia
Selenium (/ s ɨ ˈ l iː n i ə m / sə-LEE-nee-əm) is a chemical element with atomic number 34, chemical symbol Se, and an atomic mass of 78.96. It is a nonmetal, whose ...
http://en.wikipedia.org/wiki/Selenium
Selenium | Periodic Table
Element Selenium (Se), Group 16, Atomic Number 34, p-block, Mass 78.96. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
http://www.rsc.org/periodic-table/element/34/selenium
WebElements Periodic Table of the Elements | Selenium | radii
Selenium Essential data: names, symbol, atomic number, and atomic weight; block, period, and group in periodic table; description; standard state; registry number; and isolation
http://www.webelements.com/selenium/atom_sizes.html

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