Uhhhh...you should have paid attention in class, just saying...
Answer:
1 atom of oxygen
2 atoms of hydrogen in each molecule
Each water molecule contains 3 atoms making the H2O formula
pitch is the perceived frequency of a sound wave.
Answer:
This is false becuase different object weigh different
Thank you!
Explanation:
Answer: B
Explanation:
The top number is its atomic number, also known as the number of protons in the atom.
The bottom number is the atomic mass, which is the sum of the number of protons and neutrons.
