Question

Which process can lead to the formation of an ion from atom?

• A. Gain of electrons
• B. Gain of protons
• C. Loss of electrons
• D. Loss of protons

Answer 1

Answer: (A), (C)

Loss of electrons
Gain of electrons

Ion formation of an atom takes place by loss or gain of electrons. By loss of electron a positively charged ion can form known as cation and by gain of electron a negatively charged ion can form known as anion.