Which of the Following Has the Same Number of Electrons

question 142

Multiple Choice

Which of the following has the same number of electrons as an argon atom?

• A)Al³⁺
• B)Cr³⁺
• C)Br^-
• D)Cl₂
• E)P^3-

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Definitions:

Mesozoic Era

A geologic era that occurred from about 252 to 66 million years ago, known for the dominance of dinosaurs and the appearance of flowering plants.

Devonian Period

An era known as the "Age of Fishes," characterized by significant evolutionary advancements in fish and the appearance of early amphibians, occurring from approximately 419 to 359 million years ago.

Gnetophytes

A phylum of gymnosperm plants with unique features distinguishing them from other gymnosperms.

Vessel Elements

Components of the xylem tissue in plants, responsible for water transportation throughout the plant.