In the Th Decay Series There Are Six Radioisotopes

question 52

Multiple Choice

In the Th decay series there are six radioisotopes that decay by alpha emission, including Th-232 itself, and four radioisotopes that decay by beta emission. The final product of this series is a stable isotope. The symbol for this product is

• A) W
• B) W
• C) Pb
• D) Pb
• E) Pt

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Definitions:

Cognitive Development

The development of cognitive functions, such as memory, problem-solving, and making decisions, from early childhood, through the teenage years, into adult life.

Cognitive Abilities

The mental capabilities that involve reasoning, problem-solving, planning, abstract thinking, complex idea comprehension, learning from experience, and adapting to changes.

Cognitive Abilities

Mental skills that include thinking, problem-solving, decision-making, and the ability to remember and learn.

Stage-like Manner

Describes a process of development or learning that occurs in distinct and separate phases.