Differences: Ionic, covalent, metallic
Which type of bond has the lowest melting point?
Covalent bonds
LiF is called what?
Lithium Fluoride!
Share
What property of metals allows them to be pounded into shape?
malleability
Ionic compounds that dissolve in water conduct electricity because they beak apart into ______ that move freely.
Ions
column 1
Which type of bond has the Highest melting point?
Metallic bonds
Formula for sodium sulfide?
Na_2 S
What is a double bond?
two pairs of shared electrons
What property of metals allows them to be pulled into wires?
ductility
Solid metals are good conductors of heat and _______.
electricity
alkalai earth metals
column 2
Which type of bond shares electrons
covalent
KCl
potassium chloride
What is a single bond
A single pair of shared electrons
What property of metals allows them to conduct electricity?
Electron sea
Molecular compounds that dissolve in water do not conduct electricity because _______ are not present.
Ions
transition metals
middle metals
What type of bond occurs between cations and ALL their electrons?
Metallic bonds
BeO
Beryllium Oxide
What is a triple bond?
three pairs of shared electrons
T/F: Electrons are shared between ALL metal atoms in a chunk of metal. This is called electron waves.
False: Electron Sea
Because the electrons in a molecule of hydrogen flouride (HF) are more strongly pulled toward the fluorine atom, the molecule is __________.
polar covalent
halogens
7th column
What type of bonds transfer electrons from one element from another?
Ionic
Be_3 N_2
Beryllium Nitride
what is column 7 on the periodic table named?
the halogens
Why do we make alloys? What's the reason we like alloys?
Combining metals produces superior qualities...
a metal crystal consists of positively charged metal ions embedded in a "sea" of freely moving _______.
electrons.
nobel gases
column 8