If a Nucleus Undergoes Alpha Particle Emission

question 13

Multiple Choice

If a nucleus undergoes alpha particle emission:

• A) its atomic number decreases by two and its mass number decreases by four.
• B) its atomic number decreases by one and its mass number is unchanged
• C) its atomic number increases by two and its mass number is unchanged.
• D) its atomic number decreases by two and its mass number is unchanged.
• E) its atomic number is unchanged and its mass number decreases by one.

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Definitions:

Moral Reasoning

The process by which individuals make decisions about what is right and wrong, often based on societal norms, personal values, and ethics.

Cognitive Developmental Pattern

A progression of mental processing abilities, including attention, memory, and problem-solving, that occurs from infancy through adulthood.

Piaget

A psychologist known for his pioneering work in child development, specifically his theory of cognitive development that describes how children's intellect grows through various stages.

Kohlberg

Refers to Lawrence Kohlberg, a psychologist known for his theory of moral development which proposes that moral reasoning progresses through distinct stages.