The Periodic Table of the Elements Was Developed by __________

question 2

Multiple Choice

The periodic table of the elements was developed by __________ in the late 19th century.

• A) Bohr
• B) Rutherford
• C) Mendeleev
• D) Roentgen

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Definitions:

Roentgen Therapy

A form of radiation therapy using X-rays for treating diseases, named after physicist Wilhelm Röntgen.

Ionization

The method through which an atom or molecule obtains a positive or negative charge by the addition or removal of electrons.

Substance

material with particular physical characteristics, an important concept in chemistry and physics.

Nuclear Medicine

A medical specialty involving the application of radioactive substances in the diagnosis and treatment of diseases.