![]() | Chemical Hardness Ralph Gottfrid Pearson is a physical inorganic chemist best known for the development of the concept of hard and soft acids and bases. |
![hidden image for function call](https://upload.wikimedia.org/wikipedia/commons/c/ca/1x1.png)
![]() | Chemical Hardness Ralph Gottfrid Pearson is a physical inorganic chemist best known for the development of the concept of hard and soft acids and bases. |