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2023-2024 > Chemistry Test #3 > Flashcards

Chemistry Test #3 Flashcards

1
Q

ionic - melting point

A

high

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2
Q

ionic - ability to conduct electricity?

A

only when dissolved or melted

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3
Q

ionic - ability to conduct heat?

A

low

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4
Q

ionic - hardness

A

brittle

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5
Q

ionic - are molecules present?

A

no

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6
Q

covalent - melting point

A

low

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7
Q

covalent - ability to conduct electricity?

A

no

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8
Q

covalent - ability to conduct heat?

A

no

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9
Q

covalent - hardness

A

soft

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10
Q

covalent - are molecules present?

A

yes

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11
Q

network - melting point

A

high

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12
Q

network - ability to conduct electricity?

A

no

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13
Q

network - ability to conduct heat?

A

low

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14
Q

network - hardness

A

hard

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15
Q

network - are molecules present

A

no

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16
Q

metallic - melting point

A

high

17
Q

metallic - ability to conduct electricity

A

yes

18
Q

metallic - ability to conduct heat

A

yes

19
Q

metallic - hardness

A

hard

20
Q

metallic - are molecules present?

A

no

21
Q

what is a chemical bond

A

A force that holds two or more atoms together and makes them function as a unit

22
Q

why do elements bond?

A

stable electron configurations

23
Q

when a bond is formed

A

energy is released

24
Q

electrolytes

A

ions in solution that conduct electricity

25
Q

what are network solids

A

covalent bonds in a 3D formation, no individual molecules

26
Q

what is metallic bonding

A

metal to metal attraction
electrostatic attraction between the sea of valence electrons and the lineup of cations

27
Q

how is metallic bonding like both ionic and covalent bonding?

A

ionic - electrons disassociate from atoms
covalent - share electrons

28
Q

when do polarcovalent bonds occurr?

A

two differentnon-metals

29
Q

polar covalent - charge distribution

A

assymetrical

30
Q

shape of polar molecules

A

linear, bent, pyramidal, tetrahederal

31
Q

intramolecular forces

A

esxit within a compund (ionic,covalent)

32
Q

intermolecular forces

A

diapole-diapole,hydrgen bonding

33
Q

how does dipole-dipole occurr

A

between molecules that have permanent diapoles<– molecules with polar covalent bonds

34
Q
A

2023-2024 (25 decks)

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