Question Detail

CHM 101 Quantum Theory and Atomic Structure Objective Question

Question

What is the periodic table primarily organized on the basis of?
Options
A Atomic mass
B Atomic number and electron configurations
Correct Answer
C Date of discovery
D Melting point
Correct Answer

Option B is the correct answer.

Detailed Explanation

The modern periodic table is organized on the basis of atomic number (number of protons in the nucleus), electron configurations, and recurring chemical properties. This arrangement reflects the periodic law and allows prediction of element properties.

Hint

Consider what property uniquely identifies an element and determines its position in the table.

Question Info