Think you’ve got your head wrapped around Types of Bonds and Orbitals? Put your knowledge to
the test. Good luck — the Stickman is counting on you!
Q. Which of the following compounds contain both ionic and covalent bonds?
NaCl
NH2OH
H20
NaNO3
C2H3OH
Q. What is the most likely electron configuration for a potassium ion in its ground state?
1s22s22p63s23p64s1
1s22s22p63s23p64s2
1s22s22p63s23p6
1s22s22p63s23p5
1s22s22p63s23p4
Q. Which of the following elements has the lowest electronegativity?
Cl
K
Al
C
F
Q. The determination that atoms have small dense nuclei is attributed to:
Millikan
Bohr
Dalton
Heisenberg
Rutherford
Q. If an atom has an energy level of 3, what is the total number of electrons the energy level can hold?
18
32
6
12
8
Q. Which of the following could be the quantum numbers (n, l, ml, ms) for the valence electron in a sodium atom in its ground state?
2, 0, 0, ½
2, 1, 1, ½
3, 0, 0, ½
3, 1, 0, ½
4, 0, 0, ½
Q. Resonance structures are needed to describe the bonding in which of the following compounds?
CO32-
NH3
CH4
HCl
H20
Q. Which of the following molecules is the most polar?
CH4
H2
BF3
HF
C5H12
Q. Which of the following has more the greatest number of unshared electrons around the central atom?
NH3
H20
BF3
SO2
CO2
Q. Which of the following rules states that the most stable arrangement for electrons in subshells is the one with the greatest number of parallel spins and dictates how electrons are added to each orbital?
Hund's Rule
The Pauli Exclusion Principle
VSEPR Theory
Heisenberg's Uncertainty Principle
Aufbau Prinicple
Q. Which form of orbital hybridization can form molecules with a trigonal planar shape?
sp
sp2
sp3
d2sp
dsp3