Ammonia Draw a Lewis structure for ammonia, NH_3. How many bonded atoms surround

Question

Ammonia Draw a Lewis structure for ammonia, NH_3. How many bonded atoms surround the nitrogen? How many nonbonded electron pairs are there on the nitrogen? Make a model of ammonia. There will probably be 5 holes on your nitrogen ball. Use the 3 holes that will allow the sticks to be the farthest apart. Sketch a picture of your model. What is the molecular shape of the bonded atoms? Place a short stick in the hole opposite the three you have been using. This stick represents the nonbonded electron pair on the nitrogen. What geometry do you have around the nitrogen now? Place a hydrogen on the stick representing the nonbonded pair of electrons. What chemical species do you have now? Carbon Dioxide Draw a Lewis structure for carbon dioxide, CO_2. How many bonded atoms surround the carbon? How many nonbonded electron pairs are there on the carbon?

Explanation / Answer

(a) the structure you drawn is correct.

(b) 3 Hydrogen atoms

(c) only one electron pair is on nitrogen

(e) trigonal Pyramidal

(4) (a) Lewis drawn is correct

(b) 2 oxygen atoms are surrounded

(c) no lone pairs on C

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