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Why does light look colorless and how is made (i know this just wana see if anyone will get it correct )
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Consider a hydrogen atom in the ground state. what is the energy of its electron? =e= jj now consider an excited‑state hydrogen atom. what is the energy of the electron in the =5n=5 level? =e5= j
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Acid precipitation chemically weathering a 5.0-kg limestone rock . which coukd be the result ?
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Explain the difference in reactivity of the elements based on their electron configurations.
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Physics, 23.06.2019 02:30
Find an expression for the electric field e⃗ at the center of the semicircle. hint: a small piece of arc length δs spans a small angle δθ=δs /r, where r is the radius. express your answer in terms of the variables q, l, unit vectors i^, j^, and appropriate constants.
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Why does light look colorless and how is made (i know this just wana see if anyone will get it corre...
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