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After a Test,Jill Identified and Then Learned the Information That

question 18

Multiple Choice

After a test,Jill identified and then learned the information that she had forgot for the test.She noted that there was a "saving" in that the information was learned faster the second time.Jill has discovered the concept of ____.


Definitions:

Isotope

Variants of a chemical element that have the same number of protons but different numbers of neutrons in their atoms, affecting their atomic mass but not their chemical properties.

Electrons

Subatomic particles with a negative electric charge, found outside the nucleus of an atom.

Cobalt

A chemical element with symbol Co and atomic number 27, known for its blue-colored compounds and magnetic properties.

Fe

Symbol for Iron, a chemical element with atomic number 26, known for its strength and magnetic properties.

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