Question

what is the number of electrons protons and neutrons for the elements of Sodium and Chromium?
What element has 26 electrons? and what are the protons and neutrons for that element?

Answer 1

& Na Cr X=Fe
Protons= Atomic Number 11 & 24 & 26
Electrons= Protons (They are always the same) & 11 & 24 & 26
Neutron= Mass number - Atomic number & 12 & 28 & 30