An Atom That Has an Atomic Number of 20 and a Mass

question 9

Multiple Choice

An atom that has an atomic number of 20 and a mass number of 42 is an isotope of an atom that has:

• A)an atomic number of 21 and a mass number of 42
• B)an atomic number of 20 and a mass number of 40
• C)22 neutrons and 20 protons
• D)22 protons and 20 neutrons

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Definitions:

Rational-emotive Behavior Therapy

A form of psychotherapy that helps individuals identify self-defeating thoughts and feelings, challenge the rationality of those feelings, and replace them with healthier, more productive beliefs.

Albert Ellis

An American psychologist known for developing Rational Emotive Behavior Therapy (REBT), a form of psychotherapy aimed at resolving emotional and behavioral problems.

Existential Therapy

A form of psychotherapy that focuses on individual freedom, choice, and meaning in life, emphasizing the human condition as a whole.

Inescapable Realities

Facts or situations that cannot be avoided or changed, often requiring acceptance and adaptation.