GKFix MCQ Question

What is the correct thermochemical equation for the atomization of dihydrogen?

• A. H₂(g) → H⁺(g) + H⁻(g)
• B. 2H(g) → H₂(g)
• C. H₂(l) → 2H(g)
• D. H₂(g) → 2H(g)