科学者が注目する理由
Atomic structure is part of the shared Mendeleev scientific core. This page is intentionally conservative until more native-language terminology is verified.
具体的な例
Carbon-12 has 6 protons and 6 neutrons; changing the proton count would create a different element.
ここに注目
定義が測定できるものや観察できる現象と結び付くと、科学は記憶に残りやすくなります。