Explanation:
a) Both A and R are true and R is the correct
explanation of A.
A feature that an iron metal has is a sea of electrons
Hello!
Find the Energy of the Photon by Planck's Equation, given:
E (photon energy) =? (in Joule)
h (Planck's constant) = 
f (radiation frequency) =
Therefore, we have:





I Hope this helps, greetings ... DexteR! =)
Sorry I don’t know but o have to answer for pionts