chapter 2 Flashcards
1
Q
ionic bonding
A
+&- ions (metal and nonmetal) coming together.
the bond is non-directional
2
Q
covalent bonding
A
sharing of one or more electrons in valence shells
the bond is directional
3
Q
increase electronegativity (which direction)?
A
northeast
4
Q
the greater the distance in electronegativity ->
A
the greater the ionic bond
5
Q
three types of bonding
A
metallic, ionic, covalent
6
Q
metallic bonding
A
ion cores glued with sea of valence electrons
7
Q
______ bonding conducts electricity
A
metallic (sea of free electrons)
8
Q
______ bonding is thermal and electically insulative
A
ionic and covalent (large absence of free electrons)
9
Q
secondary bonding
A
often a result of dipoles. these are weak bonds.
characterized of very low melting/boiling temps.
