What Is the Oxidation Number of Boron in Sodium Tetraborate

question 84

Multiple Choice

What is the oxidation number of boron in sodium tetraborate, Na₂B₄O₇?

• A)+12
• B)-3
• C)+14
• D)+3
• E)+4

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Definitions:

Atom

An atom is the smallest unit of matter that retains the identity of a chemical element, consisting of a nucleus surrounded by electrons.

Molecule

The smallest unit of a chemical compound that can exist; it consists of a group of atoms bonded together, representing the compound's chemical properties.

Relative Frequencies

The proportion of occurrences of a specific value relative to the aggregate count of observations, frequently shown as a percentage.

Sample Size

The number of observations or data points collected in a study or used in a statistical analysis.