Basic Atomic Structure Quiz

What is the central part of an atom called?

• Electron

• Proton

• Nucleus

• Valence Shell

Which subatomic particle has a positive charge?

• Electron

• Neutron

• Proton

• Valence Electron

Where are neutrons located in an atom?

• Valence shell

• Orbiting the nucleus

• Inside the nucleus

• In energy levels

What charge does an electron carry?

• Positive

• Negative

• Neutral

• None

What determines the element to which an atom belongs?

• Number of neutrons

• Number of electrons

• Number of protons

• Valence electrons

What is the outermost electron shell called?

• Energy level

• Core shell

• Valence shell

• Primary shell

What are valence electrons important for?

• Determining atomic mass

• Allowing current flow

• Determining the nucleus' size

• Creating neutrons

How does an atom become positively charged?

• By losing neutrons

• By losing electrons

• By gaining protons

• By gaining electrons

What happens when an atom gains an electron?

• It becomes negatively charged

• It becomes positively charged

• It remains neutral

• It splits into two atoms

What is an ion?

• A neutral atom

• An atom with an unequal number of protons to electrons

• An atom with equal protons and electrons

• An atom with no electrons