What is the atomic mass of carbon?

1 Answer

12.0107 u ± 0.0008 u (unified atomic mass units)

Explanation:

However, it's stated as 12 on many [periodic tables.](https://lh5.googleusercontent.com/JKuAtlBm9XkNadJ76W1_G8tIg8NdnZfWVqoQvFWP34zM-ddLQz0hVI8AM1wM7RyySA3o7zhXGNoioNe09HlrXWzxyDrFj_cYnagxetUD10wP25U1wwXvLQM5MLOJzddfRtF_BZGe)