Chemistry: Intramolecular Bonding

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22 Terms

1
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What does nature like to do with avaleable energy?

Nature typically tries to reduce energy

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What makes an atom unstable?

Atoms are unstable if they aren’t combined from incomplete octects. However, they become stabalized once put into octects.

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What are the three main types of bonds?

Ionic, covalent, metallic

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Ionic Bonds

transfer of electrons to achieve octect

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Covalent Bonds

sharing of electrons pairs, has a part time octect

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Metal

gives up electrons; becomes cation

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non-metal

gains electrons; becomes anion

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What do opposite ions do to each other?

Opposite ions pull each other and from crystal lattice.

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How does nuclei affect the formation of covalent bonds?

The two nuclei attract the valence level electron another atom is trying to take from it

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Melting point of covalent

Low (sucrose)

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Melting point of ionic

High (NaCl)

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Boiling Point covalent

Low (H2O)

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Boiling point ionic

High (NaCl)

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Conduction covalent

nothing

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Conduction ionic

When in solutions and melted

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State of matter covalent

Gas, liquid, or solids

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State of matter ionic

Solids (NaCl)

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How are the physical properties of metals formed?

The physical properties are formed from the loosely held electrons

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How are the physical properties of pure metals and alloys explained?

Explained by the amount of electrons and positive nuclei

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What do mettalic bonding and alloys conduct?

They conduct heat and electricity

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Do metallic bonding and alloys have high melting/boiling points?

Yes

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What are three words to describe metallic bonding/alloys?

Malleable, ductile, and metallic luster