The Use of Electroconvulsive Shock Declined in the 1950s Because

question 86

Multiple Choice

 The use of electroconvulsive shock declined in the 1950s because ____.

• A) legal concerns arose with its use as a therapy
• B) a new theory of depression called the treatment into question
• C) antidepressant drugs became available
• D) a federal report concluded that it was almost never effective

Recognize the symbols and atomic numbers of common elements.

Understand the relationship between atomic number (Z), mass number, and isotopic composition.

Distinguish between isotopes based on their mass numbers and neutron counts.

Explain the concept of atomic mass and its representation.

---

Definitions:

Molecular Polarity

A characteristic of molecules where an uneven distribution of electrons creates regions of positive and negative charges, influencing how molecules interact.

Solvent Interaction

The process by which a solvent can dissolve solute particles, involving physical and chemical interactions.

Electronegativity

A measure of an atom's ability to attract electrons towards itself in a chemical bond.

Periodic Table

A tabular arrangement of the chemical elements, organized by their atomic number, electron configuration, and recurring chemical properties.