The Element Uranium (U, Atomic No

question 85

Multiple Choice

The element uranium (U, atomic no. = 92) often has 146 (or more) neutrons but it will still undergo radioactive decay. Which statement might best describe why?

• A)The attractive forces of the nucleons have a limited range.
• B)Any isolated neutron is not stable and will undergo spontaneous transformation into a proton and an electron.
• C)The force is strong with U, but tainted with the dark side it is.
• D)both A and B
• E)none of the above

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Definitions:

Operant Conditioning

A method of learning that occurs through rewards and punishments for behavior, aiming at the strengthening or weakening of voluntary behaviors.

Social-Cognitive Learning

A theory that suggests learning occurs through observation, imitation, and modeling, influenced by both environmental and cognitive factors.

Mental Processes

Internal, covert activities of our minds, such as thinking, feeling, and remembering.

Human Learning

The process through which individuals acquire new knowledge, skills, behaviors, attitudes, or values.