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  • 24-06-2016
  • Biology
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Sodium has the atomic number 11
How many electrons are in a sodium ion, which has the symbol Na+?



A)10



B)11



C)12

Respuesta :

Hussain514 Hussain514
  • 29-06-2016
 Sodium atom has 11 electrons 
The Na+ ion has a + charge because the atom has lost 1 electron 
Therefore number of electrons = 10
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