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OpenStudy (anonymous):
how many protons. neutrons, and electrons are in Sodium
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OpenStudy (anonymous):
p = e = 11 n = 12 Hope this will help.
OpenStudy (abhisar):
Atomic number of sodium (Na) is 11 which means thre are 11 protons and 11 electrons. Mass number of sodium is 23. Mass number = Number of protons + number of neutrons. => Number of neutrons = 23-11= 12
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