chem 5- quiz1- Sub-Atomic Particles

Which sub-atomic particle has a negative charge?

• Proton

• Neutron

• Electron

• Atom

What is the charge of a proton?

• Positive

• Negative

• Neutral

• Variable

How much lighter are electrons compared to protons?

• 100 times

• 1800 times

• 500 times

• 2000 times

Who is associated with the discovery of the nucleus of the atom?

• JJ Thomson

• Niels Bohr

• Ernest Rutherford

• James Chadwick

Which particle is approximately 1800 times lighter than a proton?

• Neutron

• Electron

• Positron

• Alpha particle

What charge do neutrons carry?

• Positive

• Negative

• Neutral

• Variable

What is the relative mass of an electron?

• Tiny (1/2000)

• 1

• 0

• 2

Which sub-atomic particle is found in the nucleus and has no charge?

• Neutron

• Proton

• Electron

• Photon

What is the charge of a neutron?

• 0

• +1

• -1

• tiny

Where are protons found in an atom?

• In the nucleus

• In the electron cloud

• In the outer shell

• In the orbitals