Radio waves have
a. low frequency and long wavelength
b. low frequency and short wavelength
c. high frequency and long wavelength
d. high frequency and short wavelength

What is avogadro’s number, and why is it useful

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

Does the number of ions in solution increase, decrease, or remain constant? it continuously decreases. it continuously increases. it decreases at first, then increases. it increases at first, then decreases.