Chemistry 10 - Dr. Kline
April 18, 2001
1. 1 point Draw the electron dot formula for nitrogen.
2. 1 point How many valence electrons are present in NCl3 ? _______
3. 8 points Draw the best possible Lewis structure for each of the following. Use lines to represent bonding pairs of electrons and dots to represent lone pair electrons.
a. NCl3 b. CH2O c. BrO3-
Chemistry 10 - Dr. Kline
April 18, 2001
1. 1 point Draw the electron dot formula for silicon.
2. 1 point How many valence electrons are present in SiH4 ? _______
3. 8 points Draw the best possible Lewis structure for each of the following. Use lines to represent bonding pairs of electrons and dots to represent lone pair electrons.
a. SiH4 b. BrCN c. ClO2-
Chemistry 10 - Dr. Kline
April 18, 2001
1. 1 point Draw the electron dot formula for oxygen.
2. 1 point How many valence electrons are present in HOCl ? _______
3. 8 points Draw the best possible Lewis structure for each of the following. Use lines to represent bonding pairs of electrons and dots to represent lone pair electrons.
a. HOCl b. C2H2 c. BF4-