Ions


 
 
Concept Explanation
 

Ions

Ions :

Then atoms, groups of atoms or molecules lose or gain electron(s) they become charged. These charged species are known as ions. Atoms in solution generally exist in the form ions. These can be negatively or positively charged, thus can be categorised into two groups.

Cations:

The positively charged ions are known as cations. E.g. Na^+,K^+,Ca^2^+,Al^3^+::etc. etc. These are formed when elements uses electrons. Usually, metals form cations.

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Sample Questions
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Question : 1

Which of the following element form cation?

Right Option : C
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Question : 2

Which of the following is an polyatomic ion ?

Right Option : D
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Question : 3

Which of the following element will form an anion ?

Right Option : D
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