Atomic Structure Quiz

What is located at the center of an atom?

• Electron

• Electron shell or energy level

• Nucleus

• Proton

Which particle orbits around the nucleus of an atom?

• Neutron

• Nucleus

• Proton

• Electron

What is the term used to describe the levels in which electrons are arranged around the nucleus?

• Neutron path

• Nucleus layer

• Electron shell or energy level

• Proton ring

What is the relative charge of a proton?

• 0

• -1

• +1

• ~1/2000

Where is a neutron located in an atom?

• Electron shell/energy level

• Nucleus

• Outside the atom

• In the surrounding space

What is the relative mass of an electron compared to a proton?

• 1

• 0

• ~1/2000

• -1

Which particle has a relative charge of 0?

• Proton

• Neutron

• Electron

• Positron

What does the nucleus of an atom contain?

• Electrons and protons

• Protons and neutrons

• Neutrons and electrons

• Protons only

What is involved in a radioactive decay process?

• Changes in the electron orbits

• Changes in the nucleus of the atom

• Splitting of the atom into two smaller atoms

• Fusion of the atom with another atom

What are electrons doing in the structure of an atom?

• They are stationary around the nucleus

• They are orbiting the nucleus

• They are found inside the nucleus

• They are attached to protons