The Lanthanide Contraction Is Due to the Poor Shielding Effect

question 27

True/False

The lanthanide contraction is due to the poor shielding effect of the f-electrons and the higher nuclear charge.

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Definitions:

Personal Experience

An individual's direct involvement in events or activities, which contribute to their unique perspective and knowledge.

Supervisor

An individual in a position of authority who oversees the work of others, responsible for guiding, monitoring, and evaluating their performance.

Kitchener's Theory

A theory focused on the development of ethical reasoning in adults, particularly the process of reflective judgment where individuals learn to reason through complex moral and ethical issues.

Early Multiplicity

May refer to the recognition and appreciation of diverse perspectives and complexity in early stages of cognitive or moral development; specifics depend on context.