Chlorine Has an Atomic Number of 17,and Argon Has an Atomic

Chlorine has an atomic number of 17,and argon has an atomic number of 18.From this information alone,you can predict that:

A) argon has more neutrons than chlorine.
B) argon is more chemically reactive than chlorine.
C) argon will more readily ionize than chlorine.
D) chlorine is more chemically reactive than argon.
E) chlorine has more neutrons than argon.