Science and dentisrty23 cards

Tagged as: nursing, geometry, biochemistry

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2

Types of secondary bonds

Permanent dipoles, hydrogogen bonds, fluctuating dypols,

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Gases-attraction

Atomic bonds between gas molecules are very weak,

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Solids-attraction

Strongest attraction between atoms and molecules

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Liquid-attraction

Liquids have a stronger attraction between molecules



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Amorphous

They have the same strong atomic bonds but only on short- range order much like liquids

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Material science

Explains why materials behave like they do based on atoms and molecules in materials and the bonds that exist between atoms and molecules,also try's to understand the effects of manufacturing processes on materials and any changes in materialS they m

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Dental materials

Sub group of material science sometimes called dental bio materials.

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The goal of material science or dental materials

Understand why materials behave the way they do and how the clinician can maximize the performance of these materials.

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Short range order

Consistent spacial relationship of among atoms and molecules five to ten neighbors apart.

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Long range ordeR

The distances and angles among such atoms and molecules are uniform.

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Crystalline Solids

Have consistant spacial relationship of atoms and molecules, repeated hundreds to thousands and to millions of times that is called long range order


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Difference between crystalline solids and amorphous soilds

Amorphous solids have the same strong atomic bonds but only on short range order


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Valence electrons

Electrons in the outer shell of atoms which are involved in chemical reactions and atomic bonding


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Covalent bonds

Result of two atoms sharing a pair of elections

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Another name for secondary bonds

Van der waals forces

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Secondary bonds

Result of partial charges from an uneven distribution of electrons around an atom or molecule.