An Element Has Two Different Isotopes: One That Weighs 65

question 74

Multiple Choice

An element has two different isotopes: one that weighs 65 amu and another that weighs 67 amu.If the average atomic mass of all the isotopes is 66.5 amu,what can be said about the relative abundance of the isotopes?

• A)The isotope with the mass of 67 is more abundant than the isotope with the mass of 65.
• B)The isotope with the mass of 65 is more abundant than the isotope with the mass of 67.
• C)The isotope with the mass of 66.5 is more abundant than the isotope with the mass of 67.
• D)The isotope with the mass of 66.5 is more abundant than the isotope with the mass of 65.
• E)All the isotopes have the same relative abundance.

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Definitions:

Income Tax Regulations

The rules and laws that govern how income taxes are calculated, collected, and enforced by the tax authorities.

Owner Withdraws

Transactions where business owners take funds or assets out of the business for personal use, also known as drawings.

Personal Use

Utilization of a company or business asset for individual, non-business related activities or benefits.

Drawings

Withdrawals of cash or other assets from a privately-owned business by the owner(s) for personal use.