That would be a maximum of 4 atoms
That is force. Whenever you see the words push or pull always think of Force
Hydrogen .When acids touches all metal hydrogen gas is emitted .Strong acids is one that can produce a high concentration of hydrogen ions.Hope this helped!
Denser materials tend to be closer to earths center due to their mass gravity is shown by the equation mg
Which stands for mass x gravity.
More info? I think the question is incomplete. Although, I believe the first 2 blanks are "rises"