Unit 3: Chemical Bonding Flashcards

1
Q

Why do atoms form bonds?

A

To satisfy the Octet Rule

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2
Q

What types of elements are involved in an ionic bond?

A

A metal and a nonmetal

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3
Q

What types of elements are involved in a covalent bond?

A

2 or more non-metals

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4
Q

What types of elements are involved in a metallic bond?

A

2 or more metals

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5
Q

What structure does an ionic bond form?

A

Crystal lattice structure

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6
Q

What structure does a covalent bond form?

A

Lewis dot diagram

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7
Q

What structure does a metallic bond form?

A

Electron sea model

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8
Q

Electronegativity

A

measure of how strongly an atom pulls on or attracts electrons

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9
Q

Bond polarity

A

the distribution of electrical charges between atoms

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10
Q

What is the difference between polar and non polar bonds?

A

Polar bonds have electrons that are not shared equally where non-polar bonds have equally shared electrons

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11
Q

What is an alloy?

A

formed from two or more different metals

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12
Q

What is an example of an alloy?

A

copper+zinc= brass
iron+carbon= steel

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13
Q

What is the difference between an atom and a molecule?

A

An atom is the smallest unit of life that retains properties of an element, and a molecule is a chemical substance that is composed of 2 or more atoms bonded together

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14
Q

What is a compound?

A

type of molecule composed of 2 or more DIFFERENT atoms bonded together

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