When a Positron Is Emitted from the Nucleus of an Atom

question 12

Multiple Choice

When a positron is emitted from the nucleus of an atom, the mass number

• A)decreases by two units.
• B)remains the same.
• C)increases by two units.
• D)decreases by one unit.
• E)increases by one unit.

---

Definitions:

Reflective Turning Point

Event that signals a change in the way a relationship is defined.

Proposes

Suggests something for consideration or action.

Social Penetration Model

A model of the self that reflects both the breadth and depth of information that can potentially be disclosed.

Self-Disclosure

Purposefully providing information about yourself to others that they would not learn if you did not tell them.