Question

question 2 of 25
which characteristic gives the most information about what kind of element an atom is?
a. the atomic mass
b. the number of electrons
c. the atomic number
d. the number of neutrons

Explanation:

The atomic number is unique to each element. It represents the number of protons in an atom's nucleus and determines the element's position in the periodic table. Different elements have different atomic numbers. Atomic mass can vary due to isotopes, number of electrons can change in ions, and number of neutrons varies in isotopes too.

Answer:

C. The atomic number