What did Erwin schrodiner discover ?

erwin discovered how to accurately calculate the energy levels of electrons in atoms

Explanation:

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In 1926, Erwin Schrödinger expressed a wave equation that explicitly determined the energy levels of electrons in atoms. All the time Erwin Schrödinger was alive, he persisted in his study and published various articles on a diversity of topics, including the difficulty of joining gravitation and electromagnetism.

what is the volume occupied by 40 grams of argon gas (ar) at standard conditions? what volume, in liters, is occupied by 1.5 x 1023