Ionic Bonding
Covalent Bonding
Metallic Bonding
Chemical Naming and Formulas
General Knowledge (Chemical Bonds)
100
How does an ionic bond form?
Transfer of electrons from one ion to another
100
How do covalent bonds form?
100
T/F: A metallic bond is the attraction of one metal atom to another, neighboring metal atom.
False
100
Which information is not available with a compound's chemical formulas?
A) Number of atoms present
B) Structure/arrangement of the compound
C) Elements present in the compound
B) Structure/arrangement of the compound
100
Draw an electron dot diagram for Phosphorus
200
What type of elements are involved in an ionic bond?
metal bonded to nonmetal
200
What type of elements are involved in a covalent bond?
nonmetals bonded to nonmetals
200
What is a metallic bond?
Attraction of cations to the surround valence electrons
200
What is the name of Mg3N2?
Magnesium Nitride
200
When is an atom stable and not likely to react?
When the highest occupied energy level is full of electrons
300
What do we call an ion with a positive charge? with a negative charge?
positive charge is a cation
negative charge is an anion
300
How many electrons are shared in a triple bond?
6
300
Name 3 properties of metals
-solid at room temp
- High melting/boiling points
- Malleable
- Ductile
- Good Conductors of heat and electricity
300
Write the chemical formula of P2F4?
Diphosphorus Pentafluoride
300
What do we call the amount of energy needed to remove an electrons from an ion?
ionization energy
400
What will be the charge of each ion in K2S?
Each Potassium (K) ion will have a 1+ charge. The Sulfur (S) ion will have a 2- charge.
400
Give an example of a diatomic molecule
N2
O2
F2
I2
Etc.
400
The ability for electrons to align themselves when "excited" with energy allows for metals to have which property?
good conduction of electricity
400
Name the following compound: FeO
Iron (II) Oxide
400
What area of elements on the periodic table have the greatest ionization energy? Which have the least?
Highest ionization energy = top right of periodic table
Lowest ionization energy = bottom left of periodic table
500
Name 2 properties of ionic compounds
- brittle
- poor conductors in solid phase, good conductor in liquid phase.
- high melting points
500
How many covalent bonds are present in C2H4?
6 total covalent bonds
(4 single bonds between each hydrogen to carbon)
(1 double bond between the two carbon atoms)
500
Why does Calcium (Ca) have a higher melting point and stronger bond than Sodium (Na)?
Each Calcium atom contributes twice as many valence electrons to the sea of surrounding electrons
500
Identify which substance is the result of covalent bonding, metallic bonding, or ionic bonding:
Zinc (Zn)
Magnesium Chloride (MgCl2)
Nitrogen Dioxide (NO2)
Covalent = Nitrogen Dioxide (NO2)
Metallic = Zinc (Zn)
Ionic = Magnesium Chloride (MgCl2)
500
_______ _______ are the name of structures formed by metals of metallic bonds and ionic compounds. They come in various shapes and vary in complexity.
Crystal Lattice