Atomic Structure Quiz Chem & Combined

What is the relative mass and charge of a proton?

• Relative mass: 1, Charge: +1

• Relative mass: 0, Charge: -1

• Relative mass: 1, Charge: 0

• Relative mass: Very small, Charge: -1

Where is the nucleus located in an atom?

• In the middle of the atom

• On the outer edge of the atom

• In the electron cloud

• Outside the atom

What is the charge of an electron?

• Negative

• Positive

• Neutral

• It varies

What does the atomic number of an atom tell you?

• The number of protons

• The number of neutrons

• The total mass of the atom

• The number of electrons and neutrons

What happens to the charge of an atom if it gains or loses electrons?

• It becomes an ion

• It remains neutral

• It becomes a proton

• It becomes a neutron

What is the mass number of an atom?

• The total number of protons and neutrons

• The total number of electrons

• The total number of protons

• The total number of neutrons

What is the charge of an atom with equal numbers of protons and electrons?

• Neutral

• Positive

• Negative

• It varies

What is the radius of the nucleus of an atom?

• 1 x 10^-14 m

• 1 x 10^-10 m

• 1 x 10^-7 m

• 1 x 10^-3 m

What is the charge of the nucleus of an atom?

• Positive

• Negative

• Neutral

• It varies

What is the relative mass of an electron?

• Very small

• 1

• 0

• -1