Answer:
The 4th option!
Explanation:
If somebody gave you a ton of energy, what would you be doing? Moving around, jittering, fidgeting, feeling all jumpy, right? Well, that's what the molecules would be doing too xDD
Oxygen-16 (16o) is a stable isotope of oxygen, having 8 neutrons and 8 protons in its nucleus.
Percentage composition = 2/18 = 11.11%.
