Question

When a neutral atom is converted into cation, there is:

• A. a decrease in atomic number
• B. in an increase in atomic number
• C. a decrease in size
• D. an increase in size

Answer 1

The correct option is C a decrease in size

When a neutral atom is converted into cation more effective nuclear charge experienced by electrons . Size is inversely proportional to effective nuclear charge . Thus size of a cation is less than the neutral atom.