How many atoms are present in 3 molecules of chromium

If the new moon happens on january 15th, what shape will it be on february 6th?

Gabby calls her cousin who lives in a different state and tells her to turn her radio to channel 98.7 so they can listen to their favorite song that is playing. her cousin turns her radio to 98.7, but does not hear the same song gabby hears. which most likely explains why?

Awave has a wavelength of 7 mm and a frequency of 19 hertz. what is its speed?