Atomic structure

Atomic structure

Dalton's Atomic Theory

In 1808, this English schoolteacher proposed his own atomic theory that became widely accepted

Dalton’s Atomic Theory:

–All elements are made of tiny atoms.

–Atoms cannot be subdivided.

–Atoms of the same element are exactly alike.

–Atoms of different elements can join to form molecules.

Multiple Choice

Which model was proposed by Neils Bohr?

• Planetary Model
• Plum Pudding Model
• Quantum Mechanical Model
• Solid Ball Model

Atomic Structure

Multiple Choice

One of the major differences between the 1st Atomic Theory presented in the 1800's and the Modern Model of the atom of today is:

• That atoms of all elements are the same.

• That atoms can be decomposed (broken down) into other atoms.

• That atoms do not contain a nucleus.

• The atom can be divided into subatomic particles.