Nitrogen (N) and hydrogen (H) react with each other to produce ammonia (NH3). This reaction is shown in an equation as N2 + 3H2 → 2NH3. What is the ratio of nitrogen atoms to hydrogen atoms in ammonia? A. 1 to 2 B. 1 to 3 C. 2 to 1 D. 2 to 3 E. 3 to 1