GKFix MCQ Question

What is the approximate density of Krypton (Kr) at STP?

• A. 1.8 × 10⁻³ g/cm³
• B. 3.7 × 10⁻³ g/cm³
• C. 5.9 × 10⁻³ g/cm³
• D. 9.7 × 10⁻³ g/cm³