重要な考え方
半減期
N(t)=N₀
Start with the central idea, then test it against a concrete element or example. A scientific model is useful when we know what it explains — and where its limits are.
半減期
いちばん大切な考え
半減期. このテーマは、原子核構造を測定可能な量や現代物理の統計法則と結びつけます。
なぜ大切か
このテーマは、原子核構造を測定可能な量や現代物理の統計法則と結びつけます。
覚えるためのイメージ
このテーマは、原子核構造を測定可能な量や現代物理の統計法則と結びつけます。
メンデレーエフが解説
Take one idea at a time. If a new word appears, connect it to a concrete object, number or experiment before moving on.
試してみよう
Say the idea aloud in your own words, then test it with a simple example.
よくある誤解
Memorising a sentence is not the same as understanding the mechanism behind it.
重要な考え方
半減期
例題
半減期
Start with the central idea, then test it against a concrete element or example. A scientific model is useful when we know what it explains — and where its limits are.
練習
半減期
Izaberite novi slučaj povezan sa 半減期. Napišite poznate podatke, traženu veličinu i jedinice. Zatim navedite pravilo, model ili trend koji koristite. Ako postoji račun, proverite jedinice u svakom koraku; ako je zadatak pojmovni, jasno navedite šta se menja a šta ostaje isto.
答えの確認
Dobar odgovor sadrži početnu situaciju, promenljivu koja se menja, smer promene ili brojčani rezultat i jednu nezavisnu proveru: jedinicu, red veličine, granični slučaj ili poređenje sa poznatim primerom.