WorksheetsCH301 U1E2 Review Questions
Total questions: 16
Worksheet time: 8mins
The size of an atomic orbital is determined by which quantum number?
ml
l
ms
n
In an atom, what would be the maximum number of electrons having the quantum numbers n = 6 and l = 2?
72
6
5
10
8
Which set of quantum numbers does not provide a satisfactory solution to the wave equation?
n =2, l = 0, ml = -1
n = 1, l = 0, ml = 0
n = 4, l = 2, ml = +2
n = 5, l = 3, ml = -3
n = 3, l = 2, ml = -1
Fill in the blanks: potassium is one of the most well-known elements in the alkali metal ____. It is in the ____ which makes it a ____ element. Its single valence electron is in the ____ subshell of the ____ shell, making it very reactive. It reacts readily with non-metals to form ____.
series; s block; common; l = 1; n = 4; networks
row; d block; main group; l = 1; n = 4; salts
family; s block; main group; l = 0; n = 4; salts
row; d block; non-metal; l = 1; n = 3; alloys
family; s block; reactive; l = 0; n = 3; alloys
One of the following does NOT represent the ground state electron configuration for an atom. Which one?
[Ne] 3s2 3p5
[Ne] 3s1 3p3
[Ne] 3s1
[Ne] 3s2
Which of the following atoms has an s2p3 valence electron configuration?
Ga
Ge
As
Se
How many electrons are in the 4s orbital of a Ca2+ ion?
0
2
-2
3
1
Based on electronic configurations, which of the following species would you predict to be most magnetic?
Sc
Ti
V
Cr
As you move down a family on the periodic table, the increase in atomic radius can be explained by the ___.
increase in number of shielding electrons
increase in effective nuclear charge
decrease in number of shielding electrons
decrease in effective nuclear charge
What is the effective nuclear charge of a valence electron in the Al+ cation?
2
3
12
13
Rank the following atoms in terms of decreasing atomic radius.
Na, N, O Mg, F
F, O, N, Na, Mg
F, O, N, Mg, Na
F, Mg, Na, O, N
Na, Mg, N, O, F
Rank the following atoms and ions Li+ , Be2+, He, H- , B3+ in order of decreasing size.
H- , Li+ , He, Be2+, B3+
B3+, Be2+, He, Li+ , H-
B3+, Be2+, Li+ , He, H-
H- , He, Li+, Be2+, B3+
He, H-, Li+, Be2+, B3+
The ionization energy of an Oxygen atom (O) is (equal to/ greater than/ less than) what you would predict based on simple effective nuclear charge arguments because the half-filled 2p orbital for O+ is (more/less) stable.
equal to, less
greater than, more
equal to, more
greater than, less
less than, more
Rank the following from least to greatest ionization energy: silicon (Si), phosphorous (P), sulfur (S).
P < S < Si
Si < P < S
S < Si < P
Si < S < P
P < Si < S
What is the correct order of increasing electronegativity for N, O, P, and K?
P, K, N, O
K, O, N, P
K, P, N, O
O, N, P, K
N, O, P, K
What is the difference in electronegativity between C and O atoms?
0.5
1.0
1.5
0.4
