Saturday, February 20, 2010

Vsepr Model Of Cs2 Horrible Chem Essay Questions.....Help Meeee Please?

Horrible chem essay questions.....Help meeee Please? - vsepr model of cs2

172. To balance a chemical equation, the indices, why not the formula?
173. What can you predict the properties of xenon and helium, both in Group 18 in the periodic table? Why?
174. What types of connections can not be represented by a chemical formula? Explaining.
175. Why do most atoms form chemical bonds?
176. The molar mass of copper is 63.55 g / mol, the molar mass of sulfur is 32.07 g / mol and the molar mass of oxygen is 16.00 g / mol. Calculate the molar mass of copper (II) sulfate, CuSO4.
177. Draw a Lewis Structure of oxalate, C2042.
178. Draw a ball and stick model of a water molecule. Label the atoms are the polarities of the compounds with arrows show net molecular dipole.
179. Draw a Lewis struTURE of the nitrate ions, NO;. Use VSEPR theory to predict the molecular geometry.
180. Draw a Lewis structure of carbon disulfide, CS2.

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