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For a New Element, 60

question 13

Multiple Choice

For a new element, 60.78% is an isotope with mass 281.9 amu, 2.32% is an isotope with mass 283.7 amu, and 36.90% is an isotope with mass 284.5 amu. Calculate the average atomic mass of this new element.

Definitions:

Cause-and-Effect

A relationship where one event (the cause) directly results in another event (the effect).

Dependent Variable

In an experimental setting, the dependent variable is the variable being tested and measured, changing in response to alterations in the independent variable.

Review Session

A meeting or class session specifically devoted to revising or summarizing the main points of a subject or material previously studied.

Cheerful Outlook

A positive mindset that typically leads to optimistic interpretations of situations and events.