Question

part a
which statement below accurately describes the contributions of dalton?
○ created the modern periodic table
○ proposed the modern atomic theory
○ ancient greek philosopher who proposed that matter was continuous
○ discovered the existence of electrons
○ none of the above

Explanation:

To determine the correct statement about Dalton's contributions:

• The modern periodic table was created by Mendeleev, so the first option is incorrect.
• John Dalton proposed the modern Atomic Theory, which is his key contribution.
• The idea of matter being continuous was from ancient Greek philosophers like Aristotle, not Dalton, so the third option is wrong.
• Electrons were discovered by J.J. Thomson, so the fourth option is incorrect.

Answer:

B. proposed the modern Atomic Theory