What is the energy of the following types of radiation
a) 6.32 x 10^20 s-1
b) 9.50 x 10^13 hz
c) 1.05 x 10^16 s-1

Adeuteron, 21h, is the nucleus of a hydrogen isotope and consists of one proton and one neutron. the plasma of deuterons in a nuclear fusion reactor must be heated to about 3.02×108 k . what is the rms speed of the deuterons? express your answer using two significant figures.

Light waves can move through , but they travel fastest when they move through a(n) .

How many valence electrons are in atom of radon?