atomic number 61 Antonyms
No Synonyms and anytonyms found
Meaning of atomic number 61
Wordnet
atomic number 61 (n)
a soft silvery metallic element of the rare earth group having no stable isotope; was discovered in radioactive form as a fission product of uranium
atomic number 61 Sentence Examples
- The element with atomic number 61, promethium, is a rare earth metal.
- Promethium's atomic number indicates that it has 61 protons in its nucleus.
- The element with atomic number 61 was first discovered in 1945 by a team at Oak Ridge National Laboratory.
- Promethium is a radioactive element and has no known stable isotopes.
- Promethium's longest-lived isotope, promethium-145, has a half-life of 17.7 years.
- Promethium is not found naturally in significant quantities and must be produced artificially.
- Promethium's relatively short half-life and the high cost of producing it limit its practical applications.
- Promethium has been used as a source of beta particles for portable X-ray machines and nuclear batteries.
- Promethium is also being investigated for use in cancer therapy and as a tracer in medical imaging.
- The atomic number 61 is a reminder of the unique properties and intriguing nature of this radioactive element.
FAQs About the word atomic number 61
a soft silvery metallic element of the rare earth group having no stable isotope; was discovered in radioactive form as a fission product of uranium
No synonyms found.
No antonyms found.
The element with atomic number 61, promethium, is a rare earth metal.
Promethium's atomic number indicates that it has 61 protons in its nucleus.
The element with atomic number 61 was first discovered in 1945 by a team at Oak Ridge National Laboratory.
Promethium is a radioactive element and has no known stable isotopes.
