An Element Found in Another Galaxy Exists as Two Isotopes

question 100

Multiple Choice

An element found in another galaxy exists as two isotopes.If 80.0 percent of the atoms have an atomic mass of 80.00 atomic mass units and the other 20.0 percent have an atomic mass of 82.00 atomic mass units,what is the atomic mass of the element?

• A)81.0 atomic mass units
• B)64.0 atomic mass units
• C)80.4 atomic mass units
• D)16.4 atomic mass units
• E)81.6 atomic mass units

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Definitions:

Social Behavior

Refers to how individuals interact with each other within a society, encompassing both cooperative and competitive actions.

Self-Awareness

The conscious knowledge of one’s own character, feelings, motives, and desires.

Heredity

The passing of traits from parents to offspring through genes.

Fundamental Attribution Error

The fundamental attribution error is a cognitive bias wherein people overemphasize personality traits and underestimate situational factors when explaining others' behavior.