In Which of the Following Choices Is the Oxidation Number

question 42

Multiple Choice

In which of the following choices is the oxidation number incorrect?

• A)Al³⁺(aq); oxidation number = 3+
• B)F^-(aq); oxidation number = 1-
• C)Br₂(s); oxidation number = 0
• D)Na⁺(aq); oxidation number = 1+
• E)Cu(s); oxidation number = 2+

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Definitions:

Concrete Operations

A stage in Piaget's theory of cognitive development where children aged 7 to 11 start thinking logically about concrete events.

Logical Conclusions

The final step in a reasoning process, based on the logical combination of facts, observations, or premises.

Abstract Terms

Words or phrases that represent ideas or concepts that are not tangible or concrete.

Cephalocaudal

A principle of human growth and development where development proceeds from the head downwards through the body.