Explain what makes one atom different from another arom

Normally, the number of electrons is equal to the number of protons, which makes atoms electrically neutral. The number of protons in an atom is the defining feature of an atom. It's what makes one element different from another. The number of protons in an atom is called its atomic number.

50 % is the answer !

The integer in this is 89.5 so the third number would be 359.5