The Valence Shell of the Element X Contains 2 Electrons

question 144

Multiple Choice

The valence shell of the element X contains 2 electrons in a 5s subshell. Below that shell, element X has a partially filled 4d subshell. What type of element is X?

• A) alkali metal
• B) chalcogen
• C) transition metal
• D) halogen
• E) main group element

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Definitions:

Social Exchange Theory

A concept in social psychology which suggests that human relationships are formed by the use of a subjective cost-benefit analysis and the comparison of alternatives.

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