Question
An atom has 18 electrons, 15 protons, and 16 neutrons. Which change will cause the atom to have more positively charged particles than negatively charged particles?
gaining 4 electrons
gaining 4 protons
losing 4 protons
losing 4 neutrons
gaining 4 electrons
gaining 4 protons
losing 4 protons
losing 4 neutrons
Answers
GPT-5 mini
Gaining 4 protons.
Explanation: Initially net charge = 15 protons − 18 electrons = −3. Gaining 4 protons gives 19 protons and 18 electrons → net +1, so there are more positive than negative charges.
Explanation: Initially net charge = 15 protons − 18 electrons = −3. Gaining 4 protons gives 19 protons and 18 electrons → net +1, so there are more positive than negative charges.