Week 1– Chemical Bonds Flashcards
1
Q
Bond length
A
Point of minimal energy
2
Q
Covalent bond
A
Shared electrons
3
Q
Electronegativity
A
Ability of atom to attract shared electrons
4
Q
Polarity
A
Separation of charges
5
Q
Life’s most abundant atoms
A
Hydrogen Carbon Nitrogen Oxygen
6
Q
Of covalent bonds hydrogen
A
1
7
Q
Of covalent bonds oxygen
A
2
8
Q
Of covalent bonds oxygen
A
2
9
Q
Of covalent bonds nitrogen
A
3
10
Q
Of covalent bonds carbon
A
4
11
Q
Low electronegativity atoms
A
H, C
12
Q
High electronegativity atoms
A
N, O
13
Q
Hydrogen “bond”
A
Partially positive hydrogen is attracted to partially charged negative atom (O or N)
14
Q
Polarity of hydrophilic molecules?
A
Polar
15
Q
Polarity of hydrophobic molecules?
A
Nonpolar
16
Q
Intermolecular interactions in water from highest to lowest strength
A
Covalent bond, ionic bond, hydrogen bond, Van Der Waals forces
