Chemical Bonding
Chemical Bonding 2.0
Lewis Structures
Periodic Table, Trends, and Electron Configurations
Metrics, DA, and Polyatomics
100
What are the three Types of Chemical Bonds?
Metallic, Covalent, and Ionic
100
What is a diatomic molecule? List ALL examples.
Two atoms of the same element. BrINClHOF.
100
What are the Lines representing in a Lewis dot structure?
These are used to represent an electron pair in a covalent bond
100
Which of the following atoms has the LARGEST atomic radii?
Fluorine, Cesium, Zinc, Aluminum.
Cesium!
100
Identify the polyatomic ion
SO3 2-
Sulfite
200
What type of structure would be formed from an ionic bonds?
A Crystal Lattice.
200
What is the tendency of atoms to attract electrons for bonding purposes called?
Electronegativity
200
Draw the Lewis Structure for CO2
200
Identify the element with the following noble gas notation:
[Xe] 6s2 4f14 5d9
Au
200
What type of charge does the Phosphate polyatomic ion have?
-3
300
Which bond transfers electrons?
Ionic bonds.
300
What are electrons that are involved in atomic bonding called?
Valence electrons
300
Draw the Lewis Structure for NH3
300
What's the charge of the following elements?
Mg, B, and Cl.
Mg+2
B+3
Cl-1
300
Write the formulas for the following polyatomic ions:
Carbonate
Perchlorate
Chromate
Carbonate: CO32-
Perchlorate ClO4-
Chromate CrO42-
400
What type of bond is a sea of electrons which are shared?
Metallic Bonds
400
What type of bond is found in HCl
(EN for H - 2.1; EN for Cl - 3.0)
3.0 - 2.1 = 0.9
Polar Covalent
400
How many lone pairs would each oxygen atom have in the Lewis structure for O2?
TWO!
400
T/F: Anions are SMALLER than cations.
FALSE. Anions gain electrons which makes them bigger than cations.
400
If we were to convert the density of 1,560 kg/L to cg/fm3, what conversion factors would we need?
1 kg = 103 g
1 cg = 10-2 g
1 mL = 10-3 L
1 mL = 1 cm3
1 cm3 = 10-6 m3
1 fm3 = 10-45 m3
500
What is a bond formed when atoms share electrons unequally?
Polar Covalent Bonds
500
List the IMFs from STRONGEST to WEAKEST.
Hydrogen Bonding > Dipole-Dipole > London-Dispersion
500
How many single bonds are in the Lewis Structure for H2O?
2 single bonds in total!
500
Why do atoms bond?
Atoms tend to form bonds to acquire the stability of a noble gas.
500
Convert 3.49 km3 to nm3.
(3.49 km3/ 1) × (109 m3/1 km3) × (1 nm3/ 10-27 m3)= 3.49 x 1036 nm3