Periodic Trends Take at Home Test

What is the primary reason for the increase in atomic radius as you move down a group in the periodic table?

• Increase in effective nuclear charge
• Increase in number of energy levels
• Decrease in shielding effect
• Increase in ionization energy

Which trend describes the change in electronegativity as you move across a period from left to right?

• Increases
• Decreases
• Stays the same
• Fluctuates

What effect does shielding have on the ionization energy of an atom?

• Increases ionization energy
• Decreases ionization energy
• No effect on ionization energy
• Increases atomic radius

Why does ionization energy generally increase across a period?

• Increased distance from nucleus
• Increased effective nuclear charge
• Decreased number of protons
• Increased shielding effect

Which of the following elements would have the highest electronegativity?

• Francium
• Oxygen
• Lithium
• Sodium

What is the relationship between atomic radius and ionization energy?

• Directly proportional
• Inversely proportional
• No relationship
• Fluctuates

As you move down group 1, how does the effective nuclear charge change?

• Increases
• Decreases
• Stays the same
• Fluctuates

Which of the following statements about metallic character is true?

• Increases across a period
• Decreases down a group
• Decreases across a period
• Increases down a group

What is the primary factor that causes the increase in effective nuclear charge across a period?

• Increase in number of protons
• Increase in number of neutrons
• Increase in number of electrons
• Increase in shielding

Which element would likely have the largest atomic radius?

• Beryllium
• Calcium
• Magnesium
• Strontium