Magnesium Burns Brightly in the Presence of Oxygen

question 34

Multiple Choice

Magnesium burns brightly in the presence of oxygen. When magnesium reacts with oxygen, the compound formed is

• A) MgO.
• B) MgO₃.
• C) Mg₃O.
• D) Mg₄O₄.

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Definitions:

Generalizing Findings

the process of applying the results or conclusions from a specific study to larger populations or different contexts beyond the original scope of the research.

Internal Validity

The degree to which the changes in the dependent variable of an experiment are a result of the manipulation of the independent variable. If no alternative explanations are possible, the experiment has strong internal validity.

External Validity

The generalizability of the findings in an investigation, or the degree to which the findings apply to other individuals in other settings.