The Isotope Is Unstable

question 69

Multiple Choice

The isotope is unstable. This is predictable because

• A) the number of neutrons is too large in relation to the number of protons.
• B) the number of neutrons is too small in relation to the number of protons.
• C) the atomic number is too large.
• D) the mass number is too large.
• E) Sc isotopes are all unstable.

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Definitions:

Secondary Reinforcement

A form of reinforcement that involves the use of a stimulus that has acquired its reinforcing properties through its association with a primary reinforcer.

Punishment

In behaviorism, an intervention that decreases the likelihood of the behavior that it follows by introducing an unpleasant stimulus or outcome.

Positive Reinforcement

is a behavioral strategy that involves rewarding a desirable behavior to increase the likelihood of its recurrence.

Negative Reinforcement

A behavioral training technique where the removal of an undesirable or unpleasant stimulus following a particular behavior increases the likelihood of that behavior being repeated in the future.