Bio Quiz- Water Flashcards
Polar covalent bond
When the two atoms have different electronegativity causing them to partially share electrons
Non polar covalent bond
When the two atoms have the same electronegativity which causes them to share the same electrons equally
Polar molecule
Partial neg and partial pos charge
Hydrogen has _______ charge and is attracted to the other ________ molecules
Positive, oxygen
Oxygen has a _______ charge and attracts to ________ atoms
Negative, Hydrogen
What are the 5 unique properties of water?
- ) can be in all three physical traits
- ) Cohesive, Adhesive, high surface tension
- ) resistant to temperature changes
- ) ice is less dense than liquid water
- ) water is a good solvent
What is cohesion
Molecules stick together because of polar molecule
What is adhesion
Stick to other things because of polar molecule
What is surface tension
How difficult it is to break the surface of a liquid
Water is good a breaking things with a ______ bond
Ionic
Why is it important ice doesn’t sink?
Ocean animals would not exist
Aqueous Solution
When water is the solvent
Solvent
Disolver
Solute
Dissolved
Ex of resistance to temp change
In our body