Question

which element has 10 protons? *
periodic table of the elements
neon (ne)
argon (ar)
fluorine (f)
chlorine (cl)

Explanation:

Step1: Recall the atomic number definition

The atomic number of an element is equal to the number of protons in its nucleus.

Step2: Check the periodic table

Looking at the periodic table, Neon (Ne) has an atomic number of 10, which means it has 10 protons. Argon (Ar) has an atomic number of 18 (18 protons), Fluorine (F) has an atomic number of 9 (9 protons), and Chlorine (Cl) has an atomic number of 17 (17 protons).

Answer:

Neon (Ne)