I'm pretty sure all 4 are subatomic particles but if i had to guess i'd be Photons
B) Mg is the alkaline earth metal w/12 protons so following the periodic table to the halogen in the same period is
Cl: Chlorine
C) The Neutral noble has w/ 18 electrons is argon so the metal in the same row is
Na: Sodium
The answer is C. Elastic potential energy
Answer:
he brought language and culture
Explanation: