Consider an atom of gold in which the nucleus contains 79 protons and 118 neutrons. What is its atomic number and atomic weight?
A) The atomic number is 79, and the atomic weight is 197.
B) The atomic number is 79, and the atomic weight is 118.
C) The atomic number is 118, and the atomic weight is 197.
D) The atomic number is 118, and the atomic weight is 79.
Answer: A