Oxygen is a chemical element with symbol O and atomic number 8. Classified as a nonmetal, Oxygen is a gas at room temperature.
Answer:
H20
Explanation:
H20, is water and this is an example of a molecule. Molecules are "atoms bonded together." And hydrogen and oxygen are bonded making it a molecule.
Answer:
The mass number tells us the number (the sum of nucleons) of protons and neutrons in the nucleus of an atom.
Explanation:
Answer:
Freezing water into ice cubes
Explanation:
