Identify the Ion That Is Responsible for the Red Colour

question 13

Multiple Choice

Identify the ion that is responsible for the red colour of rubies.

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

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Definitions:

Computer

An electronic device capable of processing, storing, and retrieving data, executing tasks based on programmable instructions.

ATM Card

A plastic card issued by financial institutions that allows customers to access their accounts and perform transactions at Automated Teller Machines.

Television Remote

A handheld device used to operate a television from a short distance away, allowing the user to change channels, adjust volume, and access other functionalities without directly interacting with the television set.

Bell Canada

A major Canadian telecommunications and media company that provides a wide range of products and services including internet, television, and phone services.