Download 1) Define ionization energy. The amount of energy required to

CHEMISTRY 11 – PERIODIC TABLE WORKSHEET #3
1) Define ionization energy.
The amount of energy required to remove an electron from a neutral atom
2) Define electronegativity.
The tendency to attract the electrons of a neighbouring atom
3) Circle which member of each of the following pairs should have a greater ionization energy?
(a)
Br
or
Cl
(b)
Al
or
Cl
(c)
Ne
or
Xe
(d)
Mg
or
Ba
(e)
F
or
Ne
(f)
Rb
or
I
(g)
Al
or
Sn
(h)
O
or
Pb
4) Circle which member of each of the following pairs should have a lower ionization energy?
(a)
N
or
P
(b)
S
or
Cl
(c)
Mg
or
Ti
(d)
Al
or
Mo
(e)
Na
or
F
(f)
Br
or
Xe
(g)
C
or
Ga
(h)
Na
or
Sr
5) Circle which member of each of the following pairs should have a greater electronegativity?
(a)
F
or
I
(b)
Rb
or
Li
(c)
Si
or
Cl
(d)
Na
or
Si
(e)
Sn
or
S
(f)
N
or
Sb
(g)
B
or
Pb
(h)
Fe
or
W
6) Circle which member of each of the following pairs should have a lower electronegativity?
(a)
Mg
or
S
(b)
K
or
Mn
(c)
As
or
S
(d)
Cl
or
I
(e)
C
or
Sb
(f)
Cr
or
N
(g)
Be
or
Rb
(h)
B
or
Bi
7) Circle which member of each of the following pairs is expected to be larger?
(a)
Na+
or
Na-
(b)
I
or
I+
(c)
As
or
As3-
(d)
Na+
or
Cs+
(e)
Se-
or
S
(f)
S2-
or
S
(g)
Fe2+
or
Co3+
(h)
Au+
or
Ag+
(i)
Li2+
or
He
(j)
Na+
or
O2-
(k)
Fe2+
or
Fe3+
(l)
Cl-
or
F-
8) Circle which member of each of the following pairs is expected to be smaller?
(a)
Ca2+
or
Se2-
(b)
O2-
or
S2-
(c)
K+
or
Cl-
(d)
Cl
or
Se-
(e)
Cs+
or
La3+
(f)
Br-
or
Br
(g)
V
or
V4+
(h)
Ag+
or
Cd2+
(i)
Cu+
or
Cu2+
(j)
Cl-
or
S2-
(k)
O
or
O2-
(l)
Bi3+
or
Pb2+
9) Arrange the following (Br-, Kr, Sr2+, Rb+, Se2-) in order from:
Largest atomic radius
Smallest atomic radius
Sr2+
Rb+
Kr
Br-
Se2-