Last Updated
:2025/11/21
calcium-46
Noun
uncountable
Japanese Meaning
(物理学) カルシウムの希少で安定な同位体で、⁴⁶₂₀Caと表記される。20個の陽子と26個の中性子を持ち、自然界のカルシウム組成においてわずか0.004%を占める。
Quizzes for review
(physics) A rare stable isotope of calcium, ⁴⁶₂₀Ca, having twenty protons and twenty-six neutrons; it amounts to only 0.004% of the element in nature
音声機能が動作しない場合はこちらをご確認ください
See correct answer
calcium-46
Researchers used calcium-46 as a tracer to study nuclear reactions in the laboratory.
See correct answer
Researchers used calcium-46 as a tracer to study nuclear reactions in the laboratory.
音声機能が動作しない場合はこちらをご確認ください
English - English
Word Edit Setting
- Users who have edit permission for words - All Users
- Screen new word creation
- Screen word edits
- Screen word deletion
- Screen the creation of new headword that may be duplicates
- Screen changing entry name
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Sentence Edit Setting
- Users who have edit permission for sentences - All Users
- Screen sentence deletion
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Quiz Edit Setting
- Users who have edit permission for quizzes - All Users
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1