Answer:
Light waves are electromagnetic waves while sound waves are mechanical waves. :)
Answer:
1 Proton, 1 Electron, No Neutrons
Group 1, Period 1
Gases
<em>number of waves that pass a given point in one second is called <u>frequency..</u></em>
Velocity is the rate of change of position with respect to time, whereas acceleration is the rate of change of velocity. Both are vector quantities (and so also have a specified direction), but the units of velocity are meters per second while the units of acceleration are meters per second squared.
