Question

Identify the correct option among the following.

Which of the following statements is incorrect?

• A. An atom is electrically neutral
• B. The size of a cation is smaller than that of the corresponding atom
• C. The size of an anion is bigger than that of the corresponding atom
• D. An atom and its ion have an unequal number of protons

Answer 1

The correct option is D An atom and its ion have an unequal number of protons

An atom and its ion differ in the number of electrons by formation of its cation or anion but the number of protons or the atomic number of the element remains the same irrespective of the number of electrons.