True, <span>The </span>number of protons in the nucleus of the atom is equal to the atomic number<span>. The </span>number of electrons in<span> a neutral </span>atom is equal<span> to the </span>number of protons<span>. The </span>mass number<span> of the </span>atom<span> is </span>equal<span> to the sum of the </span>number of protons<span> and </span>neutrons in<span> the </span>nucleus<span>.</span>
