Practice: Which of the following is NOT a component of Dalton’s Atomic Theory?
John Dalton, one of the "Fathers of Chemistry" is credited with modernizing the Atomic Theory.
Concept #1: Atomic Theory
Example #1: Which of following statements are consistent with Dalton’s atomic theory as it was originally stated?
i. Nitrogen and phosphorus atoms have the same mass.
ii. All lead atoms are identical.
iii. Barium and chlorine atoms combine in a 1:2 ratio to form barium chloride, BaCl2.
iv. Uranium atoms undergo alpha decay to become thorium atoms.
Practice: Which of the following is NOT a component of Dalton’s Atomic Theory?
Practice: Dalton used the lightest element as his standard for atomic mass. What is this element?
