Practice question
Question
An electron in C⁵⁺ has an angular momentum of 4.22 × 10⁻³⁴ J s. What is its kinetic energy? (h = 6.626 × 10⁻³⁴ J s, mₑ = 9.1 × 10⁻³¹ kg, v₁ for H = 2.19 × 10⁶ m s⁻¹)
Explanation
n=4. For C⁵⁺ (Z=6), v₄ = 3.285×10⁶ m s⁻¹. KE ≈ 4.91×10⁻¹⁸ J.
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