Calculate the Atomic Mass of Element "X" If It Has

question 55

Multiple Choice

Calculate the atomic mass of element "X" if it has two naturally occurring isotopes with the following masses and natural abundances:
X-45 44.8776 amu 32.88%
X-47 46.9443 amu 67.12%

• A)46.26 amu
• B)45.91 amu
• C)46.34 amu
• D)46.84 amu
• E)44.99 amu

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Definitions:

Relative Measure

An assessment or quantification that is expressed as a relationship or comparison to another quantity or unit.

Poverty Threshold

The essential level of earnings required to live a decent life in a certain country.

Wage Earner's

Individuals whose income is derived primarily from their employment salary or wages.

Family Composition

The makeup or structure of a family, including the number of members, their relationships to each other, and their roles within the family unit.