Question

question 9 of 10 how have chemists changed the periodic table over time? a. they have organized elements alphabetically in the table. b. they have added new elements to the table. c. they have used the table to name elements. d. they have used the table to discover subatomic particles.

Explanation:

Over time, as new elements are discovered through scientific research, chemists add them to the periodic table. Elements are not organized alphabetically in the table. The table is not used to name elements or discover subatomic particles.

Answer:

B. They have added new elements to the table.