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Physical Science > Chapter 5 The Stucture Of Matter > Flashcards

Chapter 5 The Stucture Of Matter Flashcards

1
Q

Chemical bonds

A

The attractive force that brings atoms and ions together

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2
Q

Chemical structure

A

Arrangement of atoms in a certain substance

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3
Q

Bond length

A

The average disentangle between the nuclei of two bonded atoms

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4
Q

Bond angle

A

The angle formed by two bond of the same atom

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5
Q

Ionic bonds

A

A bond formed by the attraction between oppositely charged ions

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6
Q

Metallic bond

A

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

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7
Q

Covalent bond

A

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

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8
Q

Polyatomic Ions

A

An ion made of two or more atoms

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9
Q

Empirical formula

A

The composition of a compound in terms of the relative numbers and kinds of atoms in the simplest ratio

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10
Q

Molecular formula

A

A chemical formula that shows the number and kinds of atoms in a molecule, but not the arrangement of atoms

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11
Q

Organic compound

A

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

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12
Q

Polymer

A

Large molecule that is more formed by more than five monomers or small units

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13
Q

Carbohydrate

A

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

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14
Q

Protein

A

An organic compound that is made of one or more changing of amino acids and that is a principle component of all cells

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15
Q

Amino acid

A

Any one of 20 different organic levies that contain a carboxyl and an amino group and that combine to form proteins

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16
Q

Hydrocarbon

A

A compound made of only carbon and hydrogen atoms

17
Q

Normal alkane

A

When carbon atoms line up in a row

18
Q

Condensed Structural formulas

A

Show how atoms bond

19
Q

Hydrogen bond

A

The attraction of an oxygen atom of one water molecule and a hydrogen atom of a neighboring water molecule

20
Q

Formula unit

A

Ratio of ion and ion compounds

21
Q

Nonpolar covalent bonds

A

Electrons are shared equally between atoms

22
Q

Polar covalent bonds

A

An unequal sharing of electrons

23
Q

Alkenes

A

Hydrocarbons have at least one double covalent bond between carbon atoms

24
Q

DNA

A

Determine general makeup made of organic molecules containing carbon hydrogen, oxygen, nitrogen, and phosphorus
In the form of paired chains, shape of twisted ladder

Physical Science (11 decks)

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