2.2 Vocabulary Flashcards

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1
Q

polar

A

A polar molecule is a molecule in which one end of the molecule is slightly positive, while the other end is slightly negative.

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2
Q

nonpolar

A

nonpolar molecules are molecules in which the bonds are equal because the electrons are shared equally

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3
Q

Hydrogen bond

A

interaction involving hydrogens

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4
Q

covalent bond

A

a type of strong chemical bond in which two atoms share one or more pairs of valance electrons

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5
Q

ionic bond

A

an ionic bond is a type of chemical bond formed through an electrostatic attraction between two oppositely charged ions.

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6
Q

hydrophobic

A

molecules do not bond with water

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7
Q

hydrophilic

A

molecules bond with water

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8
Q

solvent

A

a liquid in which substances are dissolved forming a solution

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9
Q

adhesion

A

two or more different molecules bond with each other

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10
Q

cohesion

A

the attraction force between the same two molecules

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11
Q

cholesterol + fats

A

lipids = nonpolar

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12
Q

specific heat

A

the amount of energy it takes to raise the temperature of a substance

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