| TITER | Concentration in chemistry |
| TITRATE | Test, in chemistry lab, requiring concentration? (7) |
| MOLAL | Concentration unit in chemistry |
| ZINC | This metal is used in galvanizing iron and steel against corrosion and in making brasses and alloys for die-casting. In the human body, it's found in high concentrations in red blood cells as an essen |
| SWITCHOFF | Lose concentration in shoot-out? (6,3) |
| ONCE | A little concentration in times gone by |
| NARZ | Jack ___ (Host of classic game show "Concentration" in the 1970s) |
| MANTRA | What is a word or sound repeated to aid concentration in meditation? (6) |
| HYPNOSIS | An artificially induced state of relaxation and concentration in which deeper parts of the mind become more accessible (8) |
| CARBONDIOXIDE | One of the most important greenhouse gases whose concentration in Earth's atmosphere surpassed 400 parts per million between 2010 and 2020. |
| TRAFFICJAM | This may involve tremendous concentration in city streets (7,3) |
| CENTEROFMASS | Certain point of concentration, in physics ... and what each of the starred clues' answers has? |
| INTENSE | Showing concentration in decimals before putting the point! (7) |
| LINDANE | A white poisonous crystalline powder used as an insecticide, weedkiller, and, in low concentrations, in treating scabies |
| ALKALI | Base that dissolves in water, in chemistry |
| TEST | In chemistry, what is the process of detecting the presence of an ingredient in a compound? (4) |
| ELIASJAMESCOREY | Who won the Nobel Prize in Chemistry in 1990 for his work developing the theory of organic synthesis |
| SEABORG | Scientist who shared the 1951 Nobel Prize in Chemistry for involvement in the discovery and investig |
| HODGKIN | Dorothy ---, English chemist and crystallographer who won the Nobel Prize in Chemistry in 1964 (7) |
| ZIEGLER | Karl, organic chemist and co-winner of Nobel Prize in Chemistry in 1963 (7) |