Question

Which of the elements shown are a gas at standard temperature and pressure?

A) Hydrogen, Helium
B) Oxygen, Nitrogen
C) Fluorine, Neon
D) Sodium, Magnesium

Answer 1

Hydrogen, Helium, Oxygen, Nitrogen, Fluorine, and Neon are gases at standard temperature and pressure.

Step-by-step explanation:

The elements that are gases at standard temperature and pressure are:

• Hydrogen (H2)
• Helium (He)
• Oxygen (O2)
• Nitrogen (N2)
• Fluorine (F2)
• Neon (Ne)