H2O (water) has 2 hydrogen atoms and 1 oxygen atom.
Your answer is C. Both gasoline and litter would need to be physically separated from the water, because neither bonds with the water.
Answer:
30 neutrons
Explanation:
Since the mass of the iron nuclide is 56 , there must be 56−26=30 neutrons, 30 massive, neutral particles in this iron nucleus.
The answer is D. Effective collisions lead to chemical reactions!
