How Many Atoms Are Present in 2

question 84

Multiple Choice

How many atoms are present in 2.7 g of B?

• A) 1.5×10²³
• B) 3.0×10²³
• C) 8.2×10²²
• D) 9.6×10²²
• E) none of these

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Definitions:

Observer Drift

A phenomenon in research where there is a gradual shift in how observers interpret or code data over time, potentially affecting the reliability of the results.

Pygmalion Effect

The phenomenon in which higher expectations lead to an increase in performance.

Laboratory Observation

A research method in which subjects are observed in a controlled environment to gather data.

Naturalistic Observation

A research method involving observing subjects in their natural environment without interference.