query: Why are atoms so different from one an another?
positive_passages.docid: 87284
positive_passages.text: What enables protons to give new properties to an atom every time one is added?
negative_passages.docid: 52974
negative_passages.text: Why are the higher angular momentum states of a hydrogen atom closer to the nucleus?
negative_passages.docid: 67057
negative_passages.text: Why do some materials reflect (metals) and other materials reflect and refract (glass) from the quantum perspective?
negative_passages.docid: 11816
negative_passages.text: Why don't electrons crash into the nuclei they "orbit"?
negative_passages.docid: 119081
negative_passages.text: Why do we differentiate?
negative_passages.docid: 50920
negative_passages.text: Is there an electric field around neutral atoms?
negative_passages.docid: 30735
negative_passages.text: Why do surfaces act like barriers for electrons?
negative_passages.docid: 79571
negative_passages.text: How can the nucleus of an atom be in an excited state?
negative_passages.docid: 10025
negative_passages.text: Why does wavelength change as light enters a different medium?
negative_passages.docid: 67578
negative_passages.text: Is this a correct demonstration for why elements above untriseptium cannot exist?
negative_passages.docid: 30229
negative_passages.text: Stable Nuclei - Deviation from equal protons and neutrons
negative_passages.docid: 1999
negative_passages.text: Mathoverflow - why so different
negative_passages.docid: 95104
negative_passages.text: An electron has no known internal structure, does that imply it has an unknown one?
negative_passages.docid: 24439
negative_passages.text: What is the essential difference between a resonance and a particle?
negative_passages.docid: 41469
negative_passages.text: How is quantum superposition different from mixed state?
negative_passages.docid: 65294
negative_passages.text: Can an electron be in two places at the same time?
negative_passages.docid: 141760
negative_passages.text: What's an atomic superstate/superposition, and how is it possible?