The Position of an Electron in a Be²⁺ Ion Is

question 17

Multiple Choice

The position of an electron in a Be²⁺ ion is known to 5.0×10^-11 m. What is the uncertainty in its velocity?

• A) 2.0×10⁵ m s^-1
• B) 1.2×10⁶ m s^-1
• C) 4.6×10⁶ m s^-1
• D) 9.2×10⁶ m s^-1
• E) 3.0×10⁸ m s^-1

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