all atoms of an element have the same numbers of protons, and every element has a different numbers of protons in its atoms. For example, all helium atoms have two protons, and no other elements have atoms with two protons.
All Atom of an Elementhave the same number of protons,and every elementhas a differentnumberof protons in its atoms . ... Atoms are neutral in electrical charge because they have the same numberof negative electrons as positive protons .
