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Physical Science Notecards > chapter 5 Alyssa > Flashcards

chapter 5 Alyssa Flashcards

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0
Q

Chemical structure

A

Arrangement of atoms in a substance

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1
Q

Chemical Bond

A

Force that holds atoms or ions together

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2
Q

Bond length

A

Distance between two bonded atoms at their minimum potential energy

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3
Q

Bond angle

A

Angle formed by two bond stop the same atom

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4
Q

Hydrogen bond

A

Force when hydrogen atom that is bonded to another atom of one molecule

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5
Q

Ionic bond

A

Bond formed by the attraction between oppositely charged ions

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6
Q

Metallic bond

A

Bond formed by the attraction between positively charged metal ions and electrons

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7
Q

Covalent bond

A

Bond formed when atoms share one or more pairs of electrons

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8
Q

Polyatomic ion

A

Ion made of two or more atoms

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9
Q

Formula unit

A

formula of any ionic or covalent network solid compound used as an independent entity

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10
Q

Nonpolar covalent bond

A

with equal sharing of the bond electrons, arise when the electronegativities of the two atoms are equal.

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11
Q

Polar covalent bond

A

electrons shared by the atoms spend a greater amount of time, on the average

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12
Q

Empirical formula

A

Composition of a compound of the relative numbers and kinds of atoms

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13
Q

Molecular formula

A

Chemical formula that shows number and kinds of atoms in a molecule

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14
Q

Organic compound

A

Bonded compound that contains carbon

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15
Q

Polymer

A

Large molecule that is formed by more than five small units

16
Q

Carbohydrate

A

Any organic compound made of carbon oxygen and hydrogen

17
Q

Protein

A

Organic compound made of one or more chains of amino acids

18
Q

Amino acid

A

Organic molecules that contain a carboxyl and a amino group

19
Q

Hydrocarbon

A

organic compound consisting of hydrogen and carbon

20
Q

Alkane

A

consist of hydrogen and carbon atoms and all bonds are single bonds

21
Q

Alkene

A

unsaturated hydrocarbon that contains at least one carbon–carbon double bond

22
Q

DNA

A

Determines genetic makeup

Physical Science Notecards (8 decks)

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