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Unit 1 Water
Lesson4
Importance of water:
1. Agricultural fields. (the largest percentage in
consuming water)
2. Industrial field.
3. Personal field. (the lowest percentage in consuming
water)
The chemical structure of water
The symbol of water molecule ( 2 ) water molecule
2 Hydrogen atoms + 1 Oxygen atom
Water molecule includes two single
covalent bonds with angle 104.5°
between them.
Water molecules are bounded
together by Hydrogen bond.
2nd Prep. First Term 3 24
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