Consider the Element with the Electron Configuration [Kr]5s²4d⁷

question 49

Multiple Choice

Consider the element with the electron configuration [Kr]5s²4d⁷. This element is

• A) a representative element.
• B) a transition metal.
• C) a nonmetal.
• D) an actinide element.
• E) a noble gas.

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Definitions:

Developmental Changes

The transformations and growth individuals experience across the lifespan, including physical, cognitive, and socioemotional development.

Prenatal Development

The progression from fertilization to delivery, encompassing all stages of embryonic and fetal maturation inside the uterus.

Cognitive Development

The developmental progression and transformation of cognitive skills, including thought, logic, and comprehension, throughout one's life.

Piaget's Theory

A theory of cognitive development that outlines how children's intelligence changes as they grow, characterized by stages including sensorimotor, preoperational, concrete operational, and formal operational.