Which of the following gases is not often used in ion spectroscopy?
A. Helium
B. Argon
C. Nitrogen
D. Neon
Answer:C
Which of the following gases is not often used in ion spectroscopy?
A. Helium B. Argon C. Nitrogen D. Neon
Explanation: Helium, argon and inert gases are usually chosen for ion spectroscopy. These gases are chosen to avoid side effects.