Draw the Lewis structure for SCN- on scratch paper. Carbon is the central atom. Treat S and N as outer atoms. There are a total of 16 electrons to be distributed, on account of the -1 charge. Then, answer the following 2 questions: A) How many resonance structures exist for this molecule?

B) What is the MOLECULAR geometry for this molecule?

How do the energy differences between the higher energy levels of an atom compare with the energy difference between the lower energy level of the atom

Consider the elements bromine and chlorine; which elements has a larger ionic radius ?

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this