water has 2 lone pairs and 2 surrounding atoms
oxygen gas has 2 lone pairs on each atom bonded in a double bond
1 lone pair on nitrogen bonded (single) to 3 hydrogen atoms
nitrogen is bonded to 4 hydrogen atoms, and it should have a positive charge.
draw the Lewis structure for the following compounds,and predict the molecular shapes.
a) water,H2O
b)Oxygen gas,O2
c)Ammonia, NH3
d)Ammonium ion,NH4
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