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Physical Science > Chapter 5 Structure Of Matter > Flashcards

Chapter 5 Structure Of Matter Flashcards

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1
Q

Chemical Bond

A

The attractive force that holds atoms or ions together

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2
Q

Chemical Structure

A

The arrangement of atoms in a substance

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3
Q

Bond Length

A

The average distance between the nuclei of two bonded atoms

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4
Q

Bond Angle

A

The angle formed by two bonds to the same atom

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5
Q

Hydrogen Bond

A

Attractions between water molecules

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6
Q

Ionic Bond

A

Bonds formed between oppositely charged ions

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7
Q

Metallic Bond

A

A bond formed by the attraction between positively charged metal ions and the electrons around them

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8
Q

Covalent Bond

A

A bond formed when atoms share one or more pairs of electrons

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9
Q

Polyatomic Ion

A

An ion made of two or more atoms

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10
Q

Formula Unit

A

Networks that ionic compounds form into

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11
Q

Nonpolar Covalent Bond

A

Bonds where atoms share electrons equally

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12
Q

Polar Covalent Bond

A

The unequal sharing of electrons

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13
Q

Empirical Formula

A

A compound’s simplest formula that tells the composition of a compound in terms of the relative numbers and kinds of atoms in the simplest ratio

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14
Q

Molecular Formula

A

A chemical formula that shows the number and kinds of atoms in a molecule

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15
Q

Organic Compound

A

A covalently bonded compound that contains carbon, excluding carbonates and oxides

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16
Q

Polymer

A

A large molecule that is formed by more than five small units, or monomers

17
Q

Carbohydrate

A

Any organic compound that is made of carbon, hydrogen, and oxygen and that provides nutrients to the cells of living things

18
Q

Protein

A

An organic compound that is a polymer of amino acids, and a principle component of all cells

19
Q

Amino Acid

A

Any one of 20 different organic molecules that contain a carboxyl and an amino groups

20
Q

Hydrocarbon

A

A compound that is made of only carbon and hydrogen atoms

21
Q

Alkane

A

Hydrocarbons that have only single covalent bonds

22
Q

Alkene

A

Hydrocarbons that contain double carbon-carbon bonds

23
Q

DNA

A

A polymer with a complex structure. In the form of paired strands known as double helix. DNA determines your entire genetic makeup

Physical Science (11 decks)

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