Vanadium Has Two Naturally Occurring Isotopes,⁵⁰V with an Atomic Mass

question 214

Multiple Choice

Vanadium has two naturally occurring isotopes,⁵⁰V with an atomic mass of 49.9472 amu and ⁵¹V with an atomic mass of 50.9440.The atomic weight of vanadium is 50.9415.The percent abundances of the vanadium isotopes are ________% ⁵⁰V and ________% ⁵¹V.

• A)0.25, 99.75
• B)99.75, 0.25
• C)49, 51
• D)1.0, 99
• E)99, 1.0

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