Types of Bonds
Lewis Structures
It's a mystery
Unnamed category
100
Which bond is the strongest?
Triple bond
100
What type of compound is KBr?
Ionic
100
Is LiCl polar or nonpolar?
Nonpolar
200
What type of bond is formed between atoms of similar electronegativities?
Covalent bonds
200
What type of bond is CO2?
Covalent
200
What is the chemical formula for an ionic compound?
Formula unit
200
What type of bond is a iron alloy?
Metallic
300
What is a crystal lattice?
An orderly arrangement of ions
300
Draw the Lewis structure of H2O. Is it polar or nonpolar?
It is polar
300
Atoms bond because...
2nd law of thermodynamics says that systems move towards a state of minimum energy
Atoms are most stable at the lowest energy level (is easier when they are compact)
300
Name a bond that is 100% ionic.
Doesn't exist
400
Give two properties of covalent compounds.
Poor conductors of heat and electricity
Forms network covalent substance
400
Draw the Lewis structure of O2. Is it polar or nonpolar?
It is nonpolar
400
Are there single, double, or triple bonds in C2? Is it polar or nonpolar?
Double bonds
It's nonpolar
400
What are delocalized electrons?
Electrons that are collectively shared among metal atoms.
500
Give three characteristics of ionic compounds.
Dense, brittle, and hard solids
High melting points
Poor conductors of electricity as solids
500
Draw the Lewis structure of sulfate (SO42-).
500
Give four characteristics of metallic compounds
Forms alloys
Lustrous
Malleable
Ductile
500
Name the seven diatomic elements.
H2
N2
O2
F2
Cl2
Br2
I2