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What is Bohr's quantisation condition?
Angular momentum of electrons is quantised: mvr = nh/2π
What is the de Broglie wavelength?
λ = h/mv — every moving particle has an associated wave
What is Heisenberg's uncertainty principle?
It is impossible to simultaneously know exact position and momentum of an electron: Δx·Δp ≥ h/4π
What is an atomic orbital?
A three-dimensional region around the nucleus where there is a high probability of finding an electron
Name the four types of orbitals.
s, p, d, and f orbitals — each with characteristic shape
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