16 grams I think it might be it
Answer:
D
Explanation:
Scientists always perform tests and observe and measure in the physical world to prove their points or answer their questions.
No, since they are the strongest type of ray only elements that are dense can block them.
The red is an oxygen molecule. 1 oxygen and 2 hydrogen =h2o or water!
Number of neutrons = Atomic mass - Atomic number (number of protons)
Hope that helps!