Answer: protons-11
neutrons-12
Explanation:the number odf the atomis NUMBER will always be the number of protons and electrons so SODIUMS atomic number is 11 so thats the number of protons and elcetrons.
PROTONS-11
ELLECTRONS-11
NOW you get the number of neutrons by SUBTRACTING the number of ATOMIC with THE NUMBER OF PROTONS which is...
NEUTRONS-12
AND THATS IT! :)