Question

part a
which statement below accurately describes the contributions of democritus?
discovered the existence of electrons
created the modern periodic table
ancient greek philosopher who proposed that matter was not continuous
proposed the modern atomic theory
none of the above

Explanation:

• Democritus was an ancient Greek philosopher. He proposed the concept that matter is not continuous but composed of tiny indivisible particles called atoms.
• J.J. Thomson discovered electrons.
• Dmitri Mendeleev created the modern periodic table.
• John Dalton proposed the modern atomic theory.

Answer:

ancient Greek philosopher who proposed that matter was not continuous