Which of the following is not gas in normal atmospheric condition?
A. Helium (He)
B. Argon (Ar)
C. Bromine (Br)
D. Chlorine (Cl)
Answer:C
Which of the following is not gas in normal atmospheric condition?
A. Helium (He) B. Argon (Ar) C. Bromine (Br) D. Chlorine (Cl)