Question
Group VII elements show trends in their physical properties going down the group.
Answer/Explanation
Ans: B
Question
Which statement about elements in Group I and Group VII of the Periodic Table is correct?
A. Bromine reacts with potassium chloride to produce chlorine.
B. Iodine is a monatomic non-metal.
C. Lithium has a higher melting point than potassium.
D. Sodium is more reactive with water than potassium.
Answer/Explanation
Ans:
C
Question
The positions of four elements in the Periodic Table are shown.
Which element is a gas that displaces iodine from sodium iodide?
▶️Answer/Explanation
Ans:C
Question
Rubidium is in Group I of the Periodic Table and bromine is in Group VII.
Rubidium reacts with bromine to form an ionic compound.
Which row shows the electron change taking place for rubidium and the correct formula of the rubidium ion?
▶️Answer/Explanation
Ans:C