16th October 2019


Is h2o polar or nonpolar and why?

The Nitrogen atom is more electronegative and therefore the valence electrons are near them more often. This makes it more negative. The Hydrogen atoms at the bottom of the structure are then more positive. Therefore, H2O is a polar molecule.

Why are polar molecules attracted to each other?

Because of the way oxygen and hydrogen are bonded together, water has an area of positive charge and an area of negative charge. This makes the water a polar molecule. Because of water's polarity, water molecules are attracted to each other.

Why is it important that water is a polar molecule?

Water's polarity allows it to dissolve other polar substances very easily. When a polar substance is put in water, the positive ends of its molecules are attracted to the negative ends of the water molecules, and vice versa. The dissolving power of water is very important for life on Earth.
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