Which of the Following Rules Is Valid When Assigning Oxidation

question 63

Multiple Choice

Which of the following rules is valid when assigning oxidation numbers to atoms?

• A) Atoms in their elemental state are assigned an oxidation number of 1.
• B) Atoms in the form of molecules have an oxidation number of 1.
• C) Hydrogen is assigned a +1 oxidation number when it exists as the hydride ion
• D) Atoms in monatomic ions are assigned an oxidation number equal to their charge.
• E) Oxygen and hydrogen are usually assigned an oxidation number of zero.

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Definitions:

Critical Value

A point on a statistical distribution that represents a threshold beyond which observations are considered to be statistically significant.

Two-Tailed Tests

Statistical hypothesis tests that consider the possibility of both positive and negative deviations from the null hypothesis.

Critical Values

Specific points on the scale of a statistical distribution that are compared with test statistics to determine whether to reject the null hypothesis.

Upper

Often pertaining to the higher part or section of something; or can refer to a level or boundary that is more than what is typical or usual.