1. Which is true for any element?
A. Atomic number = number of protons + number of electrons
B. Atomic number = nun number of protons
C. Atomic number = number of protons + number of neutrons
D. Atomic number = nun number of protons, electrons, and neutrons
Atomic number represents both the number of protons and electrons but not added together... for example lithium has an atomic number 3, meaning lithium has 3 electrons and 3 protons