Q. Which of the following is/are correct for ions?

1. The charged species are known as ions.
2. A negatively charged ion is called an cation
3. A group of atoms carrying a charge is known as a polyatomic ion.

Select the correct answer from the codes given below:
Answer: Only 1 and 3
Notes: Compounds composed of metals and non metals contain charged species. The charged species are known as ions. Ions may consist of a single charged atom or a group of atoms that have a net charge on them. An ion can be negatively or positively charged. A negatively charged ion is called an ‘anion’ and the positively charged ion, a ‘cation’. A group of atoms carrying a charge is known as a polyatomic ion.

This question is part of UPSC Daily 20 MCQ Series Course on GKToday Android app.