Download Electronegativity - Malibu High School

Lab Station Review Activity: Bonding and Periodict Trends
Electronegativity
1. How does electronegativity change as you go across a period?
2. How does electronegativity change as you go down group?
3. Arrange the elements in order of increasing electronegativity:

N, Ne, Be, O

Sr, Ba, Mg
Atomic Radius
1. How is atomic number arranged on the periodic table?
2. How is atomic mass arranged on the periodic table?
3. How does atomic radius change as you go across a period?
4. How does atomic radius change as you go down a group?
5. Arrange the following elements in order of increasing
atomic radius:

Ne, Be, O, N

Ga, B, Al, In
IONIZATION ENERGY
1. How does ionization energy change as you go across a period?
2. How does ionization energy change as you go down a group?
3. Arrange the following elements in order of increasing ionization energy:
 Na, Li, Rb, H

Zn, Ca, Kr, Br
IONIC RADIUS
1. Which has the larger radius, the neutral atom or the anion?
2. Which has the larger radius, the neutral atom or the cation?
3. Which has the larger radius, barium or barium ion?
4. Which has the larger radius, phosphorus or phosphide ion?
METALLIC CHARACTER
1.
How does metallic character change as you go down a group?
2. How does metallic character change as you go across a period?
3. Arrange the following in order of increasing metallic character: Ga, B, In, Al
4. Which element has greater metallic character: Zn or Cd?
BOND TYPE
Determine the bond type between the following atoms and indicate the positive and negative end of
the bond, where applicable:
a) C-H
b) Mg-O
c) H-H
d) Na-Cl
e) H-F
f) C-N
g) C-O
h) Ca-S
LEWIS STRUCTURES
Draw the Lewis structure for
 Si
 NH4+
 PCl3
MOLECULAR GEOMETRIES
Draw the molecular geometry for the following; include the name of the geometry and the bond angle:
 NH4+
 PCl3
 H2NOH
 SeF4 (honors only…expanded octet…not this year 2012))
RESONANCE
Draw all possible resonance structures for:
1. HCO22. Determine the formal charge on each atom in HCO2- (Honors only…not this year 2012)
ELECTRON CONFIGURATIONS
1. Write the electron configuration for iron
2. Write the orbital diagram for bromine
3. Write the noble gas notation for iridium, Ir.
IDENTIFY THE BLOCKS on the Periodic Table
INDICATE THE TYPE OF ORBITALS