TRISTANKESSLER1GO TRISTANKESSLER1GO Chemistry Answered Which statement below is not true? A.The nucleus is positively charged because of the protons. B.The positively and negatively charged subatomic particles determine the atomic mass of an atom. 3.A neutral atom will contain the same number of electrons as protons. 4.Neutrons are not charged particles, are found in the nucleus and have a mass of 1 amu.