Question

this is how fluorine appears in the periodic table. which is one piece of information that \9\ gives about an atom of fluorine? the atomic number the atomic mass the mass of neutrons the number of neutrons

Explanation:

In the periodic - table, the number above the element symbol represents the atomic number. For fluorine (F), the number 9 is its atomic number, which is the number of protons in the nucleus of an atom of fluorine. The atomic mass is 19.00 in this case. The mass of neutrons and the number of neutrons cannot be directly determined just from the number 9.

Answer:

the atomic number