What is the force measured in newtons between a proton and an electron in the ground state?

Which statement about covalent bonds is true

What are igneous intrusions and extrusions

Which of the following are properties of mechanical waves? check all that apply ⭕️ particles of the medium move back and fourth, but do not move with the wave. ⭕️ the particles of the medium always move parallel to the wave motion. ⭕️ wave motion begins with a disturbance in the medium. ⭕️ waves transport energy from a source outward, away from the source.