Draw a Lewis Structure for CCIF3 and indicate how many bonds are present.

a) 4
b) 2
c) 3
d) 1

If you chip a tooth, most likely you will go to the dentist to have the missing material filled in. currently the material used to fill in teeth is a polymer that is flexible when put in, yet is hardened to the strength of a tooth after irradiation with blue light at a wavelength of 461 nm. what is the energy in joules for a photon of light at this wavelength?

Which of the following shapes would represent a molecule with two bonded atoms and 3 lone pairs on only one of them , trigonal planar , bent , trigonal pyramidal , linear

Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?