R rani New member Jan 21, 2011 #1 Please, I need the answer today! Which of the following properties is periodic? Atomic radius Atomic mass Atomic number Thermal energy Please, just a nice simple answer. The lesson content didn't help me at all.
Please, I need the answer today! Which of the following properties is periodic? Atomic radius Atomic mass Atomic number Thermal energy Please, just a nice simple answer. The lesson content didn't help me at all.
