The Horizontal Rows of Elements in the Periodic Table Are

question 37

Multiple Choice

The horizontal rows of elements in the periodic table are called

• A) periods.
• B) groups.
• C) families.
• D) series.

---

Definitions:

Clinical Psychologists

Mental health professionals with advanced degrees who diagnose and provide treatment for a wide range of psychological disorders and mental health issues.

Empirical Research

The collection of data through observation and experimentation to gain knowledge.

Anecdotal Evidence

Information derived from personal accounts, stories, or testimonials rather than from systematic scientific evaluations, often subject to bias.

Experimenter Bias

A process where the scientists performing the research influence the results, either intentionally or unintentionally, to achieve a certain outcome.