Subatomic Particles Quiz

What are nucleons?

• Particles found in the electron cloud

• Particles found in the nucleus

• Particles found in the outer shell

• Particles found in the atomic space

Who discovered the proton?

• James Chadwick

• Eugene Goldstein

• Henry Mosley

• JJ Thompson

What is the charge of a proton?

• Negative

• Neutral

• Positive

• Variable

How did Henry Mosley contribute to atomic theory?

• He discovered the electron

• He discovered the neutron

• He discovered the atomic number

• He discovered the proton

What did Henry Mosley find about the relationship between atomic mass and wavelength?

• Wavelengths increase as atomic masses increase

• Wavelengths decrease as atomic masses increase

• Wavelengths remain constant as atomic masses increase

• Wavelengths are unrelated to atomic masses

Who proved the existence of the neutron?

• Henry Mosley

• James Chadwick

• Eugene Goldstein

• JJ Thompson

Why was the discovery of the neutron significant?

• It was the first subatomic particle discovered

• It explained the charge of the nucleus

• It accounted for the missing mass in the nucleus

• It explained the behavior of electrons

What is the relative charge of an electron?

• Negative

• Positive

• Neutral

• Zero

Where is the electron located in an atom?

• In the atomic space

• In the nucleus

• In the outer shell

• In the proton

What is the relative mass of a neutron compared to a proton?

• Equal to a proton

• More than a proton

• Variable

• Less than a proton