The Compounds NO and NO₂ Represent Which of the Postulates

question 18

Multiple Choice

The compounds NO and NO₂ represent which of the postulates of Dalton's atomic theory?

• A)All atoms of a given element are equal.
• B)Atoms combine in simple, whole number ratios to form compounds.
• C)Matter is made up of tiny, indivisible particles.
• D)Atoms cannot be created or destroyed in a chemical reaction.

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Definitions:

Carbon Dioxide

A colorless, odorless gas produced by burning carbon and organic compounds and by respiration, absorbed by plants in photosynthesis.

Double-Blind Study

A research method in which both the subjects and the researchers are unaware of which group (test or control) the subjects belong to, to prevent bias.

Experimental

Pertaining to a methodical procedure carried out with the goal of verifying, falsifying, or establishing the validity of a hypothesis.

Control Groups

Groups in an experiment that do not receive the treatment being tested, enabling comparison to groups that do receive the treatment to assess its effect.