Introduction to Atomic Structure Quiz

What are atoms primarily composed of?

• Molecules

• Elements

• Subatomic particles

• Compounds

Which subatomic particle has a positive charge?

• Neutron

• Photon

• Electron

• Proton

What is the charge of a neutron?

• Positive

• Negative

• Variable

• Neutral

Where is the mass of an atom primarily concentrated?

• In the electrons

• In the nucleus

• In the outer shell

• Evenly distributed

What is the overall charge of an atom?

• Depends on the element

• Positive

• Negative

• Neutral

How many protons does a carbon atom have?

• 8

• 12

• 6

• 4

In a neutral atom, how do the numbers of protons and electrons compare?

• Electrons are more

• Protons are more

• It varies

• They are equal

What does the larger number on the periodic table represent?

• Number of neutrons

• Atomic mass

• Number of electrons

• Number of protons

How do you calculate the number of neutrons in an atom?

• Add the number of protons and electrons

• Subtract the number of protons from the atomic mass

• Multiply the number of protons by the number of electrons

• Divide the atomic mass by the number of electrons

What is the significance of the smaller number on the periodic table?

• It is the number of electrons

• It represents the number of protons

• It shows the number of neutrons

• It indicates the atomic mass