Water, O, and Methane, C , Have About

question 46

Multiple Choice

Water, O, and methane, C , have about the same mass and differ by only one type of atom. Why is the boiling point of water so much higher than that of methane?

• A)The water molecule is less symmetrical than is the methane molecule.
• B)The oxygen of a water molecule has two lone pairs of electrons.
• C)The electronegativity difference between oxygen and hydrogen is greater than the electronegativity difference between carbon and hydrogen.
• D)all of the above

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Definitions:

Performance Measurement

A method used by organizations to evaluate and assess the efficiency and effectiveness of its operations, often by analyzing quantitative data.

Promotion

The advancement of an employee to a higher position or job title within a company.

Instrumentality

The belief or expectation that performing a given behavior is associated with a particular outcome.

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