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CHEM30A-Merritt > Chapt 4 Vocab > Flashcards

Chapt 4 Vocab Flashcards

1
Q

Covalent Bonds

A

A bond formed by sharing electrons between atoms

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2
Q

Molecule

A

A group of atoms held together by a covalent bond

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3
Q

Bond Length

A

The optimal distance between nuclei in a covalent compound

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4
Q

Molecular Compound

A

Molecules that consists of more than one type of atom

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5
Q

Single Bond

A

A covalent bond formed by sharing one electron pair

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6
Q

Double Bond

A

A covalent bond formed by sharing two electron pairs

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7
Q

Triple Bond

A

A covalent bond formed by sharing three electron pairs

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8
Q

Coordinate Covalent Bond

A

A covalent bond that forms when both electrons are donated by the same atom

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9
Q

Molecular Formula

A

A formula that shows the kinds of atoms in one molecule of a compound

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10
Q

Structural Formula

A

A molecular representation that shows the connections among atoms by using lines to represent covalent bonds

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11
Q

Lewis Structure

A

A molecular representation that shows both the connections between atoms and the lone-pair valence electrons

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12
Q

Lone Pair

A

A pair of valence electrons that are not used for bonding

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13
Q

Bonding Pair

A

A pair of valence electrons that are used in a covalent bond

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14
Q

Valence-Shell Electron-Pair Repulsion (VSEPR) Model

A

A method for predicting molecular shape by noting how many electron clouds (which consist of bonded electron pairs and lone pairs) surround atoms and assuming that clouds orient as far away from one another as possible

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15
Q

Bond Angle

A

An angle formed by three adjacent atoms in a molecule

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16
Q

Tetrahedron

A

A geometric figure with four identical triangular faces.

A carbon atom containing for single covalent bonds is ALWAYS a tetrahedral

17
Q

Polar Covalent Bond

A

A bond in which electrons are more strongly attracted by one atom than another (since one atom is more electromagnetic than another)

18
Q

Electronegativity

A

The ability of an atom to attract electrons in a covalent bond

19
Q

Binary Compound

A

A compound formed by the combination of two different elements

CHEM30A-Merritt (8 decks)

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