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Pronunciation Guide
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either a proton or a neutron the total number you know might be 235 that's u235 or it might be 238
that's u238 so those are heavy elements light elements by contrast have very few
nucleons protons or neutrons in the nucleus hydrogen is the lightest nucleus it has one proton there are actually slightly
Listen to native speakers pronounce “u238” in real conversational contexts with synchronized timestamps and subtitles.