Lecture 12: Bonding Flashcards
1
Q
structure of matter
A
how atoms are arranged spatially
2
Q
chemical bonding
A
electrostatic attraction holding two atoms close together
3
Q
as two H atoms come together they… (energy)
A
minimize energy
4
Q
lower energy state is more or less stable
A
more stable
5
Q
when a chemical bond is broken energy is
A
required
6
Q
ionic
A
transfer of electrons
7
Q
covalent
A
valence electrons shared between atoms
8
Q
EN
A
ability of at atom to pull electrons toward itself
9
Q
EN of ionic bonds
A
greater than 2
10
Q
covalent EN is
A
less than 2
11
Q
ionic is what bonded with what
A
metals with nonmetals
12
Q
covalent is what bonded with what
A
nonmetals with nonmetals
13
Q
lattice energy is
A
energy required to break apart the lattice
14
Q
down the group the lattice energy…
A
decreases due to increasing ionic radius
15
Q
nonpolar bond EN is
A
less than .4
