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A group of atoms carrying a charge, such as sulphate, is called a:
APolyatomic ion
BPolyatomic atom
CPolyatomic metal
DPolyatomic gases
Answer & Solution
Correct answer: A. Polyatomic ion
1. A single charged atom is a simple ion.
2. A charged group of joined atoms is different.
3. That group is a polyatomic ion.
_Source: syllabus Science Class IX, Chapter 3, Atoms and Molecules._
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