Draw Lewis structure of the following compounds. Show work in determining the number of electron pairs used in the molecule. For each drawing, determine:A. Molecular shape. B. Type of hybridization .C. Pure, polar, or ionic binds. D. Polar or no polar molecule. SF2 CCl2H2

Identify and describe the three ways that mutations affect organisms.

Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?

Amixture initially contains a, b, and c in the following concentrations: [a] = 0.300 m , [b] = 1.05 m , and [c] = 0.550 m . the following reaction occurs and equilibrium is established: a+2b⇌c at equilibrium, [a] = 0.140 m and [c] = 0.710 m . calculate the value of the equilibrium constant, kc.