Which of the Following Contains Only Metals

question 14

Multiple Choice

Which of the following contains only metals?

• A) Na, Mg, Si, and P
• B) Al, Na, Li, and Be
• C) He, Al, Si, and Mg
• D) none of these

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Definitions:

Minnesota Twin Project

A research study that examines the psychological and behavioral differences between twins, particularly focusing on the effects of genetics vs. environment.

Monozygotic Twins

Identical twins that develop from a single fertilized egg, sharing the same genetics.

Dizygotic Twins

Twins that develop from two different eggs fertilized by two different sperm, also known as fraternal twins.

Shared Environment

The environmental factors that contribute to the similarities in development and behavior of individuals raised in the same household.