1. 1. Atoms can transfer one or more
___________________ to form an ionic
bond.
2. Each atom is left with a
_______________ outer shell.
3. An ionic bond forms between a
___________________ ion with a
positive charge and a
___________________ ion with a
negative charge.
valence electrons
full
metal
nonmetal
3. Covalent BondCovalent Bond
ďValence electrons can beValence electrons can be
sharedshared
ďTwo or more atoms canTwo or more atoms can
shareshare electrons in theirelectrons in their
outer shellouter shell
ďThis satisfies the octet ruleThis satisfies the octet rule
4. Covalent BondCovalent Bond
ďšAttraction of two or moreAttraction of two or more
atoms for aatoms for a shared pairshared pair ofof
electronselectrons
ďšNo ions formedNo ions formed
ďšUsually formed from 2 orUsually formed from 2 or
more nonmetalsmore nonmetals
5.
6. Properties of CovalentProperties of Covalent
CompoundsCompounds
ďThey are found in allThey are found in all
states of matterstates of matter
ďThey have lowThey have low
melting pointsmelting points
7. Properties of CovalentProperties of Covalent
CompoundsCompounds
ďMany do not dissolve inMany do not dissolve in
water, some dowater, some do
ďThe ones that doThe ones that do
dissolve, do not conductdissolve, do not conduct
electricityelectricity