Identify the Ion That Is Responsible for the Green Colour

question 49

Multiple Choice

Identify the ion that is responsible for the green colour in emeralds.

• A)Cr⁺³
• B)Cr⁺⁴
• C)Cr⁺⁵
• D)Cr⁺⁶
• E)Cr⁺⁷

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Principle Of Scarcity

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Scarce Resource

A resource that is limited in availability and cannot meet all demands.

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