Question

chapter 3: the structure of the atom
you should be able to understand the components of an atom, the components of an isotope and how it differs from the original atom, writing in isotope notation,
23
how many protons does aluminum have? (1 point)
13
16
14
27

Explanation:

The atomic number of an element represents the number of protons in its atom. Aluminum (Al) has an atomic number of 13.

Answer:

13