| IDENTIFICATION | Recognition one must have fluorine, iodine and calcium in growth of teeth |
| URICASE | Finally discover iodine and calcium in milk enzyme |
| MANAGE | Cope with silver in growth of hair (6) |
| BAHAI | Bishop's cry of recognition - one having faith |
| BROTHERS | Bromine, astatine, fluorine, iodine and chlorine: are they in order? (8) |
| CREDITOR | Soldiers must support recognition one's responsible for advance (8) |
| HALOGEN | Bromine, chlorine, fluorine, iodine or other group 17 element (7) |
| SCARCE | Panic about source of calcium, in short supply (6) |
| NELL | "One must have a heart of stone to read the death of Little ___ without laughing" (Oscar Wilde) (4) |
| COMPENDIA | Company representative's aim: one must have a set of encyclopaedias |
| FIREALARMS | In country businesses one must have authentic warning devices (4,6) |
| MOTORSPORT | In which one must have the drive to win? (10) |
| ADDICT | One must have something to put on before one gets caught (6) |
| IMPERIL | To put one at risk, one must have limper potential (7) |
| MAGNESIUM | Carbonates of this element and calcium create hard water |
| GNAW | Porcupines ___ bone to get minerals, like salt and calcium, and to sharpen their powerful incisors |
| LOWCARB | Pitch about tungsten-and calcium-restricted sort of diet (3-4) |
| DAVY | British chemist and inventor, born Cornwall 1778, who discovered sodium, potassium and calcium (4) |
| MACAW | Tropical bird has calcium in its throat (5) |
| UNITTRUST | Investment one must have faith in |
