Periodic Trends • Chemistry
Set 5 — Mastery
Which of the following elements has the highest ionization energy? A) \text{Li} B) \text{Na} C) \text{K} D) \text{Rb}
A) Li
B) Na
C) K
D) Rb
Which of the following elements has the largest atomic radius? A) \text{F} B) \text{Cl} C) \text{Br} D) \text{I}
A) F
B) Cl
C) Br
D) I
Arrange the following elements in order of increasing electronegativity: A) \text{Na} B) \text{Mg} C) \text{Al} D) \text{Si}
A) Na < Mg < Al < Si
B) Na < Al < Mg < Si
C) Mg < Al < Si < Na
D) Si < Al < Mg < Na
What is the trend for metallic character as you move down a group? A) Increases B) Decreases C) Stays the same D) Increases then decreases
A) Increases
B) Decreases
C) Stays the same
D) Increases then decreases
Which of the following elements has the highest electronegativity? A) \text{O} B) \text{N} C) \text{F} D) \text{Cl}
A) O
B) N
C) F
D) Cl
Rank the following elements in order of increasing ionization energy: A) \text{K} B) \text{Ca} C) \text{Ar} D) \text{Cl}
A) K < Ca < Cl < Ar
B) Ca < K < Cl < Ar
C) Cl < Ca < K < Ar
D) Ca < Cl < Ar < K
Which of the following has the lowest electron affinity? A) \text{Cl} B) \text{Br} C) \text{I} D) \text{F}
A) Cl
B) Br
C) I
D) F
Which of the following elements has the highest atomic number? A) \text{He} B) \text{Ne} C) \text{Ar} D) \text{Kr}
A) He
B) Ne
C) Ar
D) Kr
Rank the following in order of decreasing metallic character: A) \text{Mg} B) \text{Al} C) \text{Si} D) \text{P}
A) Mg > Al > Si > P
B) P > Si > Al > Mg
C) Si > Al > Mg > P
D) Al > Mg > P > Si
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What is the trend in ionization energy as you move from left to right across a period? A) Increases B) Decreases C) Stays the same D) Increases then decreases
A) Increases
B) Decreases
C) Stays the same
D) Increases then decreases