Question

question 9 of 28 which best explains how dmitri mendeleev organized elements in his periodic table? a. elements were ordered based on their discovery date. b. elements with similar properties were grouped together. c. elements were ordered based on their economic value. d. elements with similar atomic masses were grouped together.

Explanation:

Dmitri Mendeleev organized elements by atomic mass and grouped those with similar properties, a key principle of his periodic table.

Answer:

B. Elements with similar properties were grouped together.