Each Atom in a Sample of Lithium (Z = 3,atomic $\mu$

question 51

Multiple Choice

Each atom in a sample of lithium (Z = 3,atomic mass 6.941 u) has all of its electrons removed.If exactly 1.0 C was collected in this way,what is the mass of the lithium sample?

• A) 0.010 \( \mu\)g
• B) 0.024 \( \mu\)g
• C) 0.031 \( \mu\)g
• D) 0.072 \( \mu\)g

---

Definitions:

Unconditioned Response

A natural, unlearned reaction to an unconditioned stimulus, such as salivation when food is presented, inherent in classical conditioning.

Unconditioned Stimulus

A stimulus that naturally and automatically triggers a response without needing prior learning.

Spontaneous Recovery

The return of a conditioned response that had vanished, following a pause where the conditioned stimulus was not presented.

Classical Conditioning

The conditioning process of repeatedly associating two stimuli together, such that a reaction first brought about by the second stimulus is later brought about by the first stimulus alone.