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Hace 22 horas · First Person with an Element Named After Them in Their Lifetime. Chemical elements, particularly synthetic ones discovered after around 1940, are occasionally named after individuals. However, it is rare for elements to be named after their discoverers, and only two have been named after individuals who were alive at the time of the naming.
Hace 22 horas · Im Bohr’schen Atommodell werden die Kräfte der Massenanziehung durch elektrische Kräfte, also durch Kräfte zwischen Ladungsträgern ersetzt. Zum Verständnis dieses Modells muss man wissen, dass sich ungleiche Ladungen (+ & −) anziehen, gleiche sich (+ & + oder − & −) dagegen gegenseitig abstoßen.
Hace 22 horas · Yahoo! Calendar. 10.06.2024. Während des Zweiten Weltkriegs wird der Physiker J. Robert Oppenheimer zur Mitarbeit am Manhattan-Projekt ernannt. Mit einem Team von Wissenschaftlern verbringt er Jahre mit der Entwicklung der Atombombe und verändert damit den Lauf der Geschichte. Teilen.
Hace 22 horas · 158 | THU 06 JUNE 2024 | Baolau Used Baolau, Asian travel search engine, to reserve Japan train tickets. Website was easy to use, in English, without translation errors, and no issue using North America credit card.
Hace 22 horas · În 1913, fizicianul Niels Bohr a propus un model în care electronii unui atom sunt presupuși a orbita în jurul nucleului, dar că pot face acest lucru numai într-o mulțime finită de orbite, și ar putea sări între aceste orbite numai în salturi discrete de energie corespunzătoare absorbției sau radiației unui foton.
