Quizzes · Knowledge
Periodic Trends Across Period 4 (Group 13–16 Focus): Multiple Choice
Preview · 10 questions
- 01Which of the following period-4 elements (Ga, Ge, As, Se) has the highest first ionization energy?
- 02Which element in the Z=31–40 range is the halogen?
- 03Which period-4 element shows a noticeably smaller atomic radius than expected because of the 3d electron poor shielding (the d-block contraction)?
- 04Within Z=31–40 (Ga → Zr), which element typically has the smallest atomic radius?
- 05Which element has atomic number 31 (the first element of period 4 in groups 13–16 range)?
- 06Among Ga, Ge, As, and Se (period 4, groups 13–16), which is the least metallic (most nonmetallic)?
- 07Which element in the Z=31–40 range is a noble gas?
- 08Which period-4 element is the carbon-group (group 14) member — commonly showing a +4 oxidation state analogous to carbon?
- 09Across period 4 from Ga (Z=31) to Kr (Z=36), the general trend in atomic radius is to:
- 10Among the period-4 elements Ga, Ge, As, and Se (groups 13–16), which is the most metallic?