What is the wavelength of a radio photon from an "am" radio station that broadcasts at 1360 kilohertz?

What do elements in a family tend to share. a.) similar periods b.) similar groups c.) similar atomic symbols d.) similar chemical properties and characteristics

(**i would really appreciate if this was answered soon** ) which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?

More solar radiation is absorbed by earth’s surface than by