Flashcards in Checkpoint 4 Deck (28)
Loading flashcards...
1
A bond in which 2 electrons are shared by 2 atoms
Covalent bonds
2
Pairs of electrons localized on one atom
Lone pair
3
Pairs of electrons shared between atoms
Bonding pairs
4
As the number of bonds increase, bond energy ____
Increases
5
As the number of bonds decrease, bond length _____
Decreases
6
Electrons are negatively charged and therefore repel each other. Distances between electron pairs are maximized
VSEPR Theory
7
How is the number of bonding pairs determined?
How many elements are bonded to the central atom
8
Multiple bonds make a ____ distance
Shorter
9
How are the number of lone pairs determined?
How many pairs of atoms are attached to the central atom
10
What is correlated to bond angle?
Total number of electron areas
11
How do you find the total electron area?
Bonding area + lone pairs
12
How do you determine electron pair geometry?
Total electron areas
13
How do you determine the molecular geometry?
Bonding areas
14
Electrons are not shared equally in a covalent bond
Polar covalent
15
Electrons are shared equally in a covalent bond
Nonpolar covalent
16
What is the trend of electronegativity on the periodic table?
Left to right increases, up and down decreases
17
When dipoles cancel out it is (polar or nonpolar)
Nonpolar
18
When dipoles do not cancel out it is (polar or nonpolar)
Polar
19
If the molecule is symmetric it is usually (polar or non polar)
Nonpolar
20
If the molecule is nonsymmetric, it is usually (polar or non polar)
Polar
21
Only contains carbon carbon single bonds
Alkanes
22
Contains at least one carbon carbon double bonds
Alkenes
23
Contains at least one carbon carbon triple bonds
Alkynes
24
Organic compounds that contain an -OH group
Alcohol
25
Organic compounds that contain a -COOH group
Carboxylic acid
26
Two hydrocarbons are bonded in an oxygen atom
Ether
27
Organic compounds that contain a -CONH2 group
Amides
28
