Periodic Trends Quiz

Which factor causes the atomic radius to increase as you move down a group in the periodic table?

• Addition of more protons

• Decrease in electron shielding

• Increase in electronegativity

• Addition of more electron shells

What happens to the atomic radius as you move across a period from left to right?

• It fluctuates

• It remains the same

• It decreases

• It increases

Why does ionization energy decrease as you move down a group?

• Protons are more tightly packed

• Electrons are closer to the nucleus

• Electrons are further from the nucleus

• There is less electron shielding

Which element would have the highest ionization energy among lithium, ridium, and potassium?

• Ridium

• Potassium

• All have the same ionization energy

• Lithium

As you move across a period, what happens to the ionization energy?

• It decreases

• It increases

• It remains constant

• It first increases then decreases

What is electronegativity?

• The ability to attract electrons

• The ability to repel electrons

• The ability to share electrons

• The ability to lose electrons

Which element has the highest electronegativity among sodium, potassium, and francium?

• Francium

• All have the same electronegativity

• Potassium

• Sodium

Why do noble gases have low electronegativity?

• They have low ionization energy

• They are highly reactive

• They have a high atomic radius

• They have a filled outer shell

What is the behavior of metals like lithium in terms of electron gain or loss?

• They prefer to gain electrons

• They prefer to lose electrons

• They gain and lose electrons equally

• They neither gain nor lose electrons

Which element has the lowest electronegativity among lithium, aluminum, and fluorine?

• Lithium

• Aluminum

• Fluorine

• All have the same electronegativity