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physical science > the structure of matter haleigh miller > Flashcards

the structure of matter haleigh miller Flashcards

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0
Q

Chemical structure

A

The arrangement of atoms in a substance

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1
Q

Chemical bond

A

The attractive force that holds atoms or ions together

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2
Q

Bond length

A

The average distance between the nuclei of two bonded atoms

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3
Q

Bond angle

A

The angle from by two bonds to the same opinion

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4
Q

Hydrogen bond

A

Water molecules attract eachother but are not as strong as as the bonds holding oxygen and hydrogen atoms together within a molecule

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5
Q

Ionic bond

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 iom

A

An ion made of two or more atoms

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9
Q

Formula unit

A

The simplest ratio of a formula

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10
Q

Nonpolar covalent bond

A

Electrons are shared equally in a bond

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11
Q

Polar covalent bond

A

Unequal sharing of electrons

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12
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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13
Q

Molecular formula

A

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

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14
Q

Organic compounds

A

A covalently bonded compound that contains carbon excluding carbonates and oxides

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15
Q

Polymer

A

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

16
Q

Carbohydrate

A

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

17
Q

Protein

A

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

18
Q

Amino acid

A

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

19
Q

Hydrocarbon

A

When a compound is made of only carbon and hydrogen

20
Q

DNA

A

Determines you entire genetic makeup

21
Q

Alkane

A

Are hydrocarbons and have only single of covalent bonds

22
Q

Alkene

A

They are hydrocarbons but have at least one double covalent bond between carbon atoms

physical science (8 decks)

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