Do Now (02/06)

John Dalton stated:

• elements are made of atoms
• atoms of a given element are identical
• atoms cannot be subdivided, created, nor destroyed
• all of the above

Tags

NGSS.HS-PS1-7

The scientist responsible for "discovering" the nucleus is:

• Bohr
• Rutherford
• Schroedinger
• Einstein

Tags

NGSS.HS-PS1-8

Electrons can be found in

• The protons
• The nucleus
• Electron Clouds

Who first came up with the idea of atoms?

• Democritus

• Aristotle

• John Dalton

• JJ Thomson

Who came up with the theory that Negative electrons

are spread through a positive sphere?

• JJ Thomson

• Ernest Rutherford

• James Chadwick

• Niels Bohr