Chapter 2 Nature Of Matter Flashcards

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0
Q

Isotopes

A

A element that differs in the number of neutrons

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1
Q

Element

A

A pure substance containing of one type of atom

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2
Q

Ionic Bond

A

A bond formed when 1+ electrons are transferred

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3
Q

Covalent Bonding

A

Electrons (e-) are shared between atoms

Ex. H2O, C6H2O, CH4

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4
Q

Vander Waal Forces

A

Intra-Molecular attraction

Ex. Hydrogen Bonding

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5
Q

Hydrogen Bond

A

Attraction between a hydrogen atom on one H2O molecule and the oxygen of another H2O molecule

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6
Q

Polar

A

A molecule in which the charges (-/+) are not distributed evenly

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7
Q

Cohesion

A

Attraction between molecules of the same substance

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8
Q

Surface tension

A

Skin on H2O due to cohesion

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9
Q

Adhesion

A

Attraction between molecules of different substances

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10
Q

Mixtures

A

Material composed of 2 or more compounds that are PHYSICALLY mixed

2 Main Types: Solution/ Suspension

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11
Q

Solution

A

Ions disperse in water evenly

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12
Q

Solute

A

Substance that is dissolved

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13
Q

Solvent

A

Substance that does the dissolving

Water, ect.

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14
Q

Suspensions

A

Mixture of H2O and non dissolved material

Blood

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