Write and arrange three elements for each category below. Write your answer on a separate sheet of paper.
1. increasing ionization energy
2. increasing electron affinity
3. decreasing electronegativity
4. decreasing atomic radius
5. increasing metallic property
6. decreasing ionization energy
7. decreasing electron affinity
8. increasing electronegativity
9. increasing atomic radius
10. decreasing metallic property
Answers & Comments
1. increasing ionization energy-(s. Na, Al)
2. increasing electron affinity-(C, AI N)
3. decreasing electronegativity-(Mg, Ca, Ra)
4. decreasing atomic radius-(K, Na, Li)
5. increasing metallic property-(Fe, As, Kr)
6. decreasing ionization energy-(L₁, Na, Cs)
7. decreasing electron affinity-(Li, Na, k)
8. increasing electronegativity-(C, N, 0₁)
9. increasing atomic radius-(N. B.Li)
10. decreasing metallic property-(V, Co, As)