How many protons does a sodium atom have?

2 Answers
Jun 25, 2018



Atomic no. Of a elements always represents the no. of protons .
sodium's atomic no. is 11 so it has 11 protons

Jun 26, 2018



On the periodic table, find sodium. It should have the symbol #Na#. See the top left number of the box, that #11#? That is sodium's atomic number or proton number. So, a sodium atom ALWAYS has #11# protons.