An atom has 17 electrons, 17 protons, and 18 neutrons.
What is false about this atom.
•A. The atomic number of this atom is 18.
B. The mass of the atom is 35 AMU.
C. This is a chlorine atom.
D. The atoms has an overall charge of 0.
A. The atomic number of this atom is 18.
This statement is false. The atomic number of an atom is equal to the number of protons in its nucleus. In this case, the atom has 17 protons, so the atomic number would be 17, not 18.