Bio Quiz- Water Flashcards

0
Q

Polar covalent bond

A

When the two atoms have different electronegativity causing them to partially share electrons

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1
Q

Non polar covalent bond

A

When the two atoms have the same electronegativity which causes them to share the same electrons equally

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2
Q

Polar molecule

A

Partial neg and partial pos charge

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3
Q

Hydrogen has _______ charge and is attracted to the other ________ molecules

A

Positive, oxygen

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4
Q

Oxygen has a _______ charge and attracts to ________ atoms

A

Negative, Hydrogen

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5
Q

What are the 5 unique properties of water?

A
  1. ) can be in all three physical traits
  2. ) Cohesive, Adhesive, high surface tension
  3. ) resistant to temperature changes
  4. ) ice is less dense than liquid water
  5. ) water is a good solvent
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6
Q

What is cohesion

A

Molecules stick together because of polar molecule

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7
Q

What is adhesion

A

Stick to other things because of polar molecule

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8
Q

What is surface tension

A

How difficult it is to break the surface of a liquid

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9
Q

Water is good a breaking things with a ______ bond

A

Ionic

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10
Q

Why is it important ice doesn’t sink?

A

Ocean animals would not exist

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11
Q

Aqueous Solution

A

When water is the solvent

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12
Q

Solvent

A

Disolver

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13
Q

Solute

A

Dissolved

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14
Q

Ex of resistance to temp change

A

In our body

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