Download Problem Set - Gordon State College

Chem 1211 - Problem Set:
1.
Which one of the following represents an acceptable
set of quantum numbers (in the order n, l, ml, ms )
for an electron in an atom?
a.)
b.)
c.)
d.)
e.)
2.
2,
1,
3,
5,
5,
1,
0,
3,
4,
4,
-1, ½
0, ½
3, ½
-3, ½
-3, -1/2
2
6
8
18
36
The electronic configuration of a ground state Ag
atom is _________.
a.)
b.)
c.)
d.)
e.)
5.
-1, -1/2
0, ½
3, ½
-5, ½
3, -1/2
The second shell in the ground state of atomic argon
contains ___________ electrons?
a.)
b.)
c.)
d.)
e.)
4.
2,
0,
3,
4,
3,
Which one of the following represents an impossible
set of quantum numbers (in the order n, l, ml, ms )
for an electron in an atom?
a.)
b.)
c.)
d.)
e.)
3.
2,
1,
3,
5,
3,
[Ar]
[Kr]
[Kr]
[Ar]
[Kr]
4s2
5s1
5s2
4s1
5s2
4d9
4d10
3d9
4d10
4d10
The ground state electron configuration of the
element _________ is [Kr] 5s1 4d5.
a.)
d.)
Nb
Mn
b.)
e.)
Mo
Tc
c.)
Cr
6.
The value of the azimuthal quantum number for the
orbitals being filled in Group II is:
a.)
b.)
7.
-1
1A
2A
c.)
d.)
3A
4A
e.)
8A
Mg
Ar
Si
Na
Ar
>
>
>
>
>
Na > P > Si
Si > P > Na
P > Ar > Na
Mg > Si > P
P > Si > Mg
>
>
>
>
>
Ar
Mg
Mg
Ar
Na
oxidation number
atomic mass
average atomic mass
atomic number
number of isotopes
The 1s orbital is the smallest in ___________ atoms.
a.)
b.)
c.)
d.)
e.)
11.
e.)
Elements in the modern version of the periodic table
are arranged in order of increasing ___________.
a.)
b.)
c.)
d.)
e.)
10.
2
3
Of the following, which gives the correct order for
atomic radius for Mg, Na, P, Si, and Ar.
a.)
b.)
c.)
d.)
e.)
9.
c.)
d.)
Which group in the periodic table contains elements
with the valence electron configuration of ns2np1?
a.)
b.)
8.
0
1
Cl
F
Br
I
The 1s orbitals in all these atoms are the same
size
Of the elements below, ___________has the largest
first ionization energy.
a.)
b.)
c.)
d.)
e.)
Li
N
Na
H
Rb