Question

number of protons sodium &chlorine before &after chemical reaction​

Answer 1

Answer:

There will be no change in no. of protons of Sodium and Chloride.

Explanation:

An elements atomic number will never change, that is because the atomic number is its "identity." The atomic number is the number of protons that is contained in the nucleus, if you add a proton you change the element. Therefore, an elements atomic number will never change.