Portage Learning Chem 219 Principles of Organic Chemistry Module 1 Exam// Updated

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Question 1 pts



On a piece of scratch paper, write out the Lewis Dot Diagram for each of
the indicated elements and determine the following for each:

a) The number of Lone Pairs the atom possesses in its valence
shell.
b) The number of Unpaired Electrons the atom possesses in its
valence shell.
c) The number of bonds the atom will form.



1. Oxygen
2. Carbon
3. Hydrogen
4. Nitrogen


Your Answer:
1. O
2. Two lone pairs
3. Two unpaired electrons
4. two bonds




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, 12/14/23, 8:42 PM




2. C
3. Zero lone pairs
4. Four unpaired electrons
5. four bonds



3. H
4. Zero lone pairs
5. One unpaired electron
6. one bond



4. N
5. One lone pair
6. three unpaired electrons
7. three bonds




Answer:



Oxygen – a) 2 b) 2 c) 2

Carbon – a) 0 b) 4 c) 4

Hydrogen- a) 0 b) 1 c) 1

Nitrogen – a) 1 b) 3 c) 3




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