Chemistry · CHEMICAL BONDING AND MOLECULAR STRUCTURE

What is the bond length and bond enthalpy of the hydrogen molecule (\( \text{H}_2 \)) at its minimum potential energy state?

1. \( 144\text{ pm} \) and \( 155\text{ kJ mol}^{-1} \)
2. \( 74\text{ pm} \) and \( 435.8\text{ kJ mol}^{-1} \)
3. \( 120\text{ pm} \) and \( 498\text{ kJ mol}^{-1} \)
4. \( 109\text{ pm} \) and \( 400\text{ kJ mol}^{-1} \)