atomic number 91

Questions

What does atomic number 91 mean?

a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead

How to pronounce atomic number 91

1. Open the pronunciation page — Open the Speakur entry for “atomic number 91”.
2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
3. Play the audio — Click Play to hear reference audio for “atomic number 91”.
4. Repeat and practice — Say “atomic number 91” aloud, matching stress and vowels until it feels natural.