Introduction to Chemistry

Which subatomic particle is positive in charge?

• Electron

• Neutron

• Proton

• Positron

Which subatomic particle is negatively charged?

• Neutron

• Proton

• Electron

• Positron

Which subatomic particle has no charge?

• Proton

• Neutron

• Electron

• Positron

Where can you find the electrons of an atom?

• Nucleus

• Outer shell

• Inner core

• Proton cloud

Where can you find both neutrons and protons in the atomic structure?

• Outer shell

• Electron cloud

• Nucleus

• Proton cloud

How many electrons are required to accomplish the “octet rule”?

• 2

• 4

• 6

• 8

Tags

NGSS.MS-PS1-1

What experiment did Ernest Rutherford use to prove the presence of protons in the atom?

• Cathode Ray Tube Experiment

• Gold Foil Experiment

• Oil Drop Experiment

• Plum Pudding Experiment

Who discovered the Proton?

• James Chadwick

• Niels Bohr

• Ernest Rutherford

• JJ Thompson

Who discovered the Neutrons?

• James Chadwick

• Niels Bohr

• Ernest Rutherford

• JJ Thompson

Who discovered the Electrons?

• James Chadwick

• Niels Bohr

• Ernest Rutherford

• JJ Thompson