Atomic Structure

What element is represented in this Bohr Model?

• Carbon

• Hydrogen

• Aluminum

• Lithium

Tags

NGSS.MS-PS1-1

What is the atomic number of this atom?

• 2

• 4

• 6

• 8

Tags

NGSS.MS-PS1-1

How did Rutherford discover the proton?

• Cathode tube ray experiment
• Gold Foil Experiment
• Planetary Model
• Plum Pudding Model

Tags

NGSS.HS-PS1-8

What scientist is best known for his "Plum Pudding" model of the atom?

• J.J. Tomson
• Ernest Rutherford
• John Dalton
• Democritus

Tags

NGSS.MS-PS1-1

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.

Tags

NGSS.MS-PS1-1

How many neutrons does carbon-13 have?

• 6

• 5

• 7

• 13

How many electrons does an Iodine atom have?

• 53

• 126

• 73

• 179

Tags

NGSS.MS-PS1-1

What does the topmost number (3) represent?

• Mass Number

• Atomic Number

• Atomic Mass

• Number of Neutrons

Tags

NGSS.MS-PS1-1

How many neutrons does an Oxygen atom have?

• 8

• 16

• 24

• 7.999

Tags

NGSS.MS-PS1-1

How many protons are in Neon

• 10

• 20

• 21

• 30

Tags

NGSS.MS-PS1-1