R
- radical (chemistry)
- radioisotope
- Radium
- Radon
- Radon fluoride
- Raman spectroscopy
- Raoult's law
- Redox
- Reduction
- Reflux
- Reversible reaction
- Rhazes
- Rhenium
- Rhodium
- Rhyolite
- Rhyolitic
- Richard Adolf Zsigmondy
- Richard Kuhn
- Richard Laurence Millington Synge
- Richard Martin Willstätter
- Richard R. Ernst
- Richard Smalley
- Riebeckite
- Roald Hoffmann
- Robert Bruce Merrifield
- Robert Burns Woodward
- Robert Curl
- Robert G. Parr
- Robert Huber
- Robert S. Mulliken
- Robert Wilhelm Bunsen
- Rock crystal
- Roentgenium
- Ronald George Wreyford Norrish
- Rose quartz
- Roumanite
- Rubidium
- Ruby
- Rudolph A. Marcus
- Rudolph Pariser
- Ruthenium
- Rutherfordium
- Rutile
- Ryōji Noyori
Read more about this topic: Index Of Chemistry Articles