| Answer | Crossword Clue |
|---|---|
| ATOM | Latest discovered source of energy. |
| curium | radioactive element not found in nature but discovered in 1944 among the products of plutonium after bombardment by high-energy helium ions. Symbol: Cm; at. no.: 96 |
| curiums | radioactive element not found in nature but discovered in 1944 among the products of plutonium after bombardment by high-energy helium ions. Symbol: Cm; at. no.: 96 |
| MAXPLANCK | 1918 winner who discovered energy quanta |
