Can’t see diagram. Could you attach the photo.
Isotopes are variants of a particular chemical element which differ in neutron number (neutral particle)and all isotopes of a given element have the same number of protons (positive particle) in each atom.So isotope B of the sodium will have 11 protons, 11 electrons but it may have a wide range in its number of neutrons.
<span>By filtering the air so that the lungs so the lungs don't get infected</span>
when cells spilt into 2 or more new cells
