Q39
Which of the following is in liquid form at room temperature?
A.
Lithium
B.
Sodium
C.
Francium
AnswerD.
Cerium
Answer: Option C
Solution
Answer: Option C
Solution:
The only liquid elements at standard temperature and pressure are bromine (Br) and mercury (Hg). Although, elements caesium (Cs), rubidium (Rb), Francium (Fr) and Gallium (Ga) become liquid at or just above room temperature.