Last Updated:2025/11/20
Sentence

質量数(記号A)は原子の陽子と中性子の合計であり、その同位体を区別するのに役立つ。

Quizzes for review

The mass number A of an atom, equal to the total number of protons and neutrons, helps distinguish its isotopes.

See correct answer

The mass number A of an atom, equal to the total number of protons and neutrons, helps distinguish its isotopes.

音声機能が動作しない場合はこちらをご確認ください

Related words

mass number

Noun
Japanese Meaning
原子核内の陽子と中性子の総和(物理・化学における質量数)。
What is this buttons?

質量数(記号A)は原子の陽子と中性子の合計であり、その同位体を区別するのに役立つ。

Related Words

plural

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
Editing Guideline

Login / Sign up

 

Download the app!
DiQt

DiQt

Free

★★★★★★★★★★