Answer:
Lanthanides and Actinides
Explanation:
I attached the working and the answer to the question below.
Please note that in the formula, C = speed of light, ν = frequency, λ= wavelength
<span>
The wavelength of a 2.80 Hz wave is
1.07 </span>
× 10¹⁰
cm.
11.30 i believe is the answer
Heat is change in thermal energy. So, thermal energy is the net potential energy of the system. while, internal energy is the net potential energy + the net kinetic energy of the system.