Which of the following statements is correct with respect to modern periodic law?

Correct option is B

The correct statement is (B) In a neutral atom, the atomic number is equal to the number of electrons or protons.

Explanation:

• Atomic Number: The atomic number of an element represents the number of protons in the nucleus of an atom.  
• Neutral Atom: In a neutral atom, the number of protons (positively charged) is equal to the number of electrons (negatively charged), maintaining a balanced charge.

Key Points:

• The atomic number uniquely identifies an element.  

The modern periodic table is organized based on increasing atomic numbers.