Two Atoms of a Single Element That Differ in Number

question 56

Multiple Choice

Two atoms of a single element that differ in number of neutrons are said to represent two distinct ________ of that element.

• A) isomers
• B) isotopes
• C) isotherms
• D) atomic species

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Definitions:

Concrete Operational Stage

A stage in Piaget’s theory of cognitive development, from about 7 to 12 years, during which children gain the ability to think logically about concrete events.

Hypothetical Thinking

The ability to consider possibilities, scenarios, or outcomes that are not immediately present in the environment or have not yet occurred.

Piaget’s Theory

A developmental theory proposed by Jean Piaget, which outlines how children progress through four stages of cognitive development.

Autism Spectrum Disorder

A range of neurodevelopmental conditions characterized by challenges in social interaction, communication, and restrictive repetitive behaviors.