What is unique about how the periodic table of the elements is organized?

Question

A. Elements with similar properties are grouped together in a pattern.

B. Elements are in order according to the number of neutrons in their nucleus.

C. Elements are in order so that each element has an atomic mass that is 1 greater than the previous element.

D. Elements are grouped by multiples of atomic number.

choose the correct answer

Answer 1

The correct answer is:

A. Elements with similar properties are grouped together in a pattern.

The periodic table is organized by increasing atomic number, and elements with similar chemical properties are placed in columns (groups or families) together.