How many protons does a sodium atom have?

Jun 25, 2018

11

Explanation:

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

$11$

Explanation:

On the periodic table, find sodium. It should have the symbol $N a$. 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.