Flashcards
Topic 1A- The Circulatory System
Flashcards do conjunto (6)
- 1Why is Water Good at Transporting Substances?Water has a dipole nature.
This means its cohesive; one side has a slight positive charge and the other has a slight negative charge. - 2Why is Water a Dipolar Molecule?It has a partial negative charge on one side and a partial positive charge on the other.
- 3Why does Water have a Slight Positive Charge?Shared Negative Hydrogen Electrons are pulled towards the Oxygen Atom, leaving the other side of each Hydrogen Atom with a slight Positive Charge.
- 4Why does Water have a Slight Negative Charge?The Unshared Negative Electrons on the Oxygen Atom give it a Slight Negative Charge.
- 5What Bonds are between Water Molecules?Hydrogen Bonding holds water molecules together.
- 6Why do Water Molecules Attract Each OtherThe slightly Negatively Charged
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- Edexcel A Salters-Nuffield Biology AS-Level
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