Name: _____________________________________
Date: ___________
Period: ______
Yet even MORE electronegativity and radii questions (I know you love it!)
1. Rank the following atoms in order of decreasing atomic radii.
Largest Radius
Smallest Radius
a. Al, Na, P, S
______
______
______
b. Al, Ga, In
______
______
______
c. As, Ge, Ga
______
______
______
d. Br, Ca, Cl, K
______
______
______
______
______
2. Rank the following atoms in order of decreasing electronegativity.
Largest Electronegativity
Smallest Electronegativity
a. Na, Li, K
______
______
______
b. K, Sc, Ca
______
______
______
c. Bi, At, Rn
______
______
______
d. As, Sn, S
______
______
______
3. Rank the following ions in order of decreasing radii.
a. Br-, Cl-, F-
____________________________
b. Be2+, Ca2+, Mg2+
____________________________
c. Ca2+, Ga3+, K+
____________________________
4. Rank the following particles in order of decreasing radii.
a. I, I-
____________________________
b. K, K+
____________________________
c. Al, Al3+
____________________________
5. Circle which element in the following pairs has the larger atomic radius.
a. Li, K
b. Ca, Ni
c. Ga, B
d. O, C
e. Cl, Br
f. Be, Ba
g. Si, S
h. Fe, Au
6. Circle which element in the following pairs has the smaller ionic radius.
a. K+, O2-
b. Ba2+, I-
c. Al3+, P3-
d. K+, Cs+
e. Fe2+, Fe3+
f. F-, S2-
Name: _____________________________________
Date: ___________ Period: ______
Periodic Trends Practice
1a
1b
1c
1d
Na, Al, P, S
In, Ga, Al
Ga, Ge, As
K, Ca, Br, Cl
2a
2b
2c
2d
Li, Na, K
Sc, Ca, K
At, Bi, Rn
S, As, Sn
3. Rank the following ions in order of decreasing radii.
a. Br-, Cl-, F-
Br-, Cl-, F-
b. Be2+, Ca2+, Mg2+
Ca2+, Mg2+, Be2+
c. Ca2+, Ga3+, K+
K+, Ca2+, Ga3+
4. Rank the following particles in order of decreasing radii.
a. I, I-
I-, I
b. K, K+
K, K+
c. Al, Al3+
Al, Al3+
5. Circle which element in the following pairs has the larger atomic radius.
a. Li, K
b. Ca, Ni
c. Ga, B
d. O, C
e. Cl, Br
f. Be, Ba
g. Si, S
h. Fe, Au
6. Circle which element in the following pairs has the smaller ionic radius.
a. K+, O2-
b. Ba2+, I-
c. Al3+, P3-
d. K+, Cs+
e. Fe2+, Fe3+
f. F-, S2-