How Many Oxygen Atoms Are There in 7

question 1

Multiple Choice

How many oxygen atoms are there in 7.00 g of sodium dichromate,Na₂Cr₂O₇?

• A)0.187 oxygen atoms
• B)2.30 × 10²¹ oxygen atoms
• C)1.60 × 10²² oxygen atoms
• D)1.13 × 10²³ oxygen atoms

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Construct Validity

The extent to which a test measures what it claims to be measuring, ensuring the theoretical constructs are accurately reflected in the testing process.

Low Reliability

A property of measurement indicating inconsistency or lack of uniformity in the results obtained.

Reliability Estimates

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