Atomic Structure and Theory Quiz - Honors

Who is known as the founder of atomic theory?

• Dalton

• Rutherford

• JJ Thomson

• Bohr

Who came up with this model of an atom? (hint: this is also known as the planetary model)

• J.J. Thompson

• Ernest Rutherford

• Neils Bohr

• James Chadwick

Rutherford's gold foil experiment provided evidence that...

• negative and positive charges are spread evenly throughout the atom.
• alpha particles have a positive charge.
• gold is not a dense as previously thought.
• there is a dense positively charged nucleus at the center of an atom.

What scientist is best known for his "Plum Pudding" model of the atom? (I also called this the "blueberry muffin model")

• J.J. Tomson

• Ernest Rutherford

• John Dalton

• Democritus

This contains most of the mass of an atom

• Electron Cloud
• Nucleus
• Electron

Which of the following is NOT one of Dalton's postulates?

• all atoms of a given element are identical

• all atoms look like a simple sphere

• compounds are formed by 2 or more different elements

• atoms of different elements have different properties and masses

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

What is the atomic number of this atom?

• 1
• 3
• 4
• 7

What is the mass number of this atom?

• 1

• 3

• 4

• 7

How many neutrons in Palladium?

• 46
• 106
• 60
• 601