Lithium Has Two Naturally Occurring Isotopes,⁶Li and ⁷Li

question 39

Multiple Choice

Lithium has two naturally occurring isotopes,⁶Li and ⁷Li.The atomic weight of lithium is 6.941.Which of the following statements concerning the relative abundance of each isotope is correct?

• A) The abundance of ⁷Li is greater than ⁶Li.
• B) The abundance of ⁷Li is less than ⁶Li.
• C) The abundance of ⁶Li is equal to the abundance of ⁷Li.
• D) Not enough data is provided to determine the correct answer.
• E) Based on the atomic mass,only ⁷Li occurs naturally.

Comprehend cell specialization and the biological similarity across species due to common ancestry.

Understand the critical aspects of common ancestry and biological evolution.

Grasp the concept of photosynthesis and its evolutionary impact on Earth's organisms.

Appreciate the role of evolution in the diversity and adaptation of organisms.

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