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Chemistry > Chapter 8 > Flashcards

Chapter 8 Flashcards

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1
Q

Covalent bonds occur between

A

two non-metals

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2
Q

Covalent bonds - electrons

A

share

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3
Q

Molecule

A

two or more covalently bonded atoms

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4
Q

Diatomic molecule

A

two of the same atom bonded

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5
Q

Single bonds

A

share two electrons

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6
Q

double bonds

A

share four electrons

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7
Q

tripple bonds

A

share six electrons

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8
Q

Lewis structures show

A

arrangements of electrons and bonds

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9
Q

strength of covalent bonds is dependent on _. the bond the _ then the stronger the bond.

A

length, shorter

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10
Q

bond length is the

A

distance between two bonded nuclei

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11
Q

bond dissociation energy

A

amount of energy needed to break bonds

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12
Q

Prefixes show

A

how many of an element there is

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13
Q

mono

A

one

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14
Q

di

A

two

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15
Q

tri

A

three

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16
Q

tetra

A

four

17
Q

penta

A

five

18
Q

hexa

A

six

19
Q

hepta

A

seven

20
Q

octa

A

eight

21
Q

nona

A

nine

22
Q

deca

A

ten

23
Q

unshared pairs of electrons cause

A

non-linear structures

24
Q

what is relased when a covalent bond forms

A

energy

25
Q

molecular orbital

A

the region of high probability that is occupied by an individual electron as it travels with a wavelike motion in the three-dimensional space around one of two or more associated nuclei.

26
Q

Dipole

A

slightly negative and slightly positive side

27
Q

what determines bond type

A

electronegitivity

28
Q

the higher the bond polarity then the higher the

A

strength

29
Q

Linear

A

3 atoms, no unshared pairs

30
Q

bent

A

3 atoms, unshared pairs

31
Q

triagonal planer

A

4 atoms, no unshared pairs

32
Q

triagonal pyramidal

A

4 atoms, unshared pairs

33
Q

tetrahedral

A

5 atoms

34
Q

amount of bonds can be calculted by

A

possible (all 8 except H) - actual = bonds/2

Chemistry (6 decks)

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