How many protons, neutrons, and electrons does thorium have?
Thorium with atomic number 90 has 90 protons and electrons and 142 neutrons. It was discovered in 1828 by Jons Berzelius!
Updated on Sunday, February 05 2012 at 06:10PM EST
Source:
www.chemicalelements.com/...
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thorium,
neutron,
atomic number,
proton,
electrons
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