Which of the following is not a correct statement according to Rutherford's atomic model? — Atomic Structure Chemistry Question

💡 Solution & Explanation

According to Rutherford's model, practically the *entire* mass (virtually 100%, or >99.9%) is concentrated in the nucleus. Stating it is only 99% is technically incorrect as it leaves 1% for electrons, which is far too high. Therefore, correct answer is A.