What are Energy Levels?
Energy levels are the discrete energy states that electrons can occupy in atoms and molecules. These quantized states are a fundamental aspect of quantum mechanics and determine the chemical and physical properties of matter.
Calculate Quantum Energy States and Transitions
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Calculate energy levels and electron configurations for hydrogen-like atoms.
Calculate energy difference between two quantum states.
Energy levels are the discrete energy states that electrons can occupy in atoms and molecules. These quantized states are a fundamental aspect of quantum mechanics and determine the chemical and physical properties of matter.
Four quantum numbers describe electron states:
Important concepts:
Energy levels are important in:
En = -13.6 eV × (Z²/n²)
ΔE = 13.6 eV × Z²(1/n₁² - 1/n₂²)
L = √(l(l+1))ℏ