## modphysnoob 2 years ago I have question about ionic bonds

1. modphysnoob

@Jemurray3 , whenever you are free

2. kym02

Go for it!

3. modphysnoob

are you good with quantum mechanics and wave equation?

4. Jemurray3

What's the question?

5. modphysnoob

so in molecular bond, there are rotational and and virbrational energy vibrational energy is given by (n+1/2) h w so what is vibrational energy for n=0 to n=1 ?

6. Jemurray3

I don't know what you mean. Do you mean how much energy does it require to excite the molecule into its n=1 mode of vibration?

7. modphysnoob

yes

8. Jemurray3

pretty clearly just hw, right? Because n=0 is hw/2, and n=1 is 3hw/2.

9. modphysnoob

why is it just hw not hw/2?

10. modphysnoob

or are we subtracting?

11. Jemurray3

when n = 0, E = hw/2. When n = 1, E = 3hw/2. In order to get from one to the other, the system needs to increase in energy by hw.

12. modphysnoob

got it

13. Dean.Shyy

There are two types of bonds. Covalent and Ionic. In an ionic bond, electrons are lost and gained. In a covalent bond, electrons are shared.