Which of the Following Elements Exists in Allotropic Forms

question 47

Multiple Choice

Which of the following elements exists in allotropic forms?

• A)silicon
• B)germanium
• C)carbon
• D)lead
• E)xenon

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Definitions:

Confidence Interval

An estimated range based on sample data within which a population parameter is expected to lie, with a given degree of certainty.

Adults

Individuals who have reached the age of maturity, typically defined by legal, social, or biological benchmarks.

Smoke

The visible result of combustion, consisting of particulate matter, gases, and water vapor released into the air.

Confidence Interval

A range of values derived from sample data that is likely to cover the true value of an unknown population parameter, expressed at a given confidence level (e.g., 95%).