Question

(a) Based on your knowledge of the periodic trend in first electron affinity, place the following in order of DECREASING electron affinity such that 1 is the element with the highest predicted first electron affinity and 5 is the element with the lowest predicted first electron affinity.


1 2 3 4 5  Si
1 2 3 4 5  C
1 2 3 4 5  Sn
1 2 3 4 5  W
1 2 3 4 5  F

(b) Based on your knowledge of the periodic trend in first ionization energy, place the following in order of INCREASING first ionization energy such that 1 is the element with the lowest predicted first ionization energy and 5 is the element with the highest predicted first ionization energy.


1 2 3 4 5  Pd
1 2 3 4 5  Te
1 2 3 4 5  Sr
1 2 3 4 5  Cs
1 2 3 4 5  Cl

(c) Based on your knowledge of the periodic trend in atomic radius, place the following in order of DECREASING atomic radius such that 1 is the element with the largest predicted atomic radius and 5 is the element with the smallest predicted atomic radius.


1 2 3 4 5  Zr
1 2 3 4 5  P
1 2 3 4 5  Al
1 2 3 4 5  Mo
1 2 3 4 5  Rh

(d) Based on your knowledge of the periodic trend in electronegativity, place the following in order of INCREASING electronegativity such that 1 is the element with the lowest predicted electronegativity and 5 is the element with the highest predicted electronegativity.


1 2 3 4 5  Br
1 2 3 4 5  Ni
1 2 3 4 5  Ti
1 2 3 4 5  Rb
1 2 3 4 5  Cl

Answer 1

(a)

F > C > Si > Sn > W

1 2 3 4 5

(b)

Cs < Sr < Pd < Te < Cl

1 2 3 4 5

(c)

Zr > Mo > Rh > Al > P

1 2 3 4 5

(d)

Rb < Ti < Ni < Br < Cl

1 2 3 4 5