atomic number 57

Questions

What does atomic number 57 mean?

a white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth

How to pronounce atomic number 57

1. Open the pronunciation page — Open the Speakur entry for “atomic number 57”.
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 57”.
4. Repeat and practice — Say “atomic number 57” aloud, matching stress and vowels until it feels natural.