Categories: Chemistry NECO

An element Z has a combining power of 3. Which of the following formulae is correct of its compound?
An element Z has a combining power of 3. Which of the following formulae is correct of its compound?An element Z has a combining power of 3. Which of the following formulae is correct of its compound?

A. ZS3
B. ZSO3
C. ZSO4
D. ZO3
E. Z3Cl2

Correct Answer:

Option D – ZO3

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