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

question 7

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) 1.000, 99.000
• B) 49.00, 51.00
• C) 0.2500, 99.750
• D) 99.000, 1.000
• E) 99.750, 0.2500

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Definitions:

Spindle

Collection of microtubules that assist in the orderly distribution of chromosomes during cell division.

Plant Cells

Cells that are the basic building blocks of plant life, characterized by a rigid cell wall, chloroplasts for photosynthesis, and a large central vacuole.

Centrosomes

Organelles that serve as the main microtubule organizing centers in animal cells, playing a critical role in cell division.

Crossing-Over

Exchange of segments between non-sister chromatids of a bivalent during meiosis.