Exploring Periodic Properties

What is the trend of atomic radius across a period?

• The atomic radius fluctuates randomly across a period.

• The atomic radius remains constant across a period.

• The atomic radius increases across a period.

• The atomic radius decreases across a period.

How does atomic radius change down a group in the periodic table?

• The atomic radius decreases down a group in the periodic table.

• The atomic radius fluctuates randomly down a group in the periodic table.

• The atomic radius increases down a group in the periodic table.

• The atomic radius remains constant down a group in the periodic table.

Which element has the largest atomic radius in period 2?

• Beryllium (Be)

• Boron (B)

• Carbon (C)

• Lithium (Li)

What is the general trend of ionization energy as you move across a period?

• Ionization energy fluctuates randomly across a period.

• Ionization energy increases across a period.

• Ionization energy remains constant across a period.

• Ionization energy decreases across a period.

How does ionization energy change as you move down a group?

• Ionization energy fluctuates randomly as you move down a group.

• Ionization energy increases as you move down a group.

• Ionization energy remains constant as you move down a group.

• Ionization energy decreases as you move down a group.

Which element has the highest ionization energy in period 3?

• Magnesium (Mg)

• Chlorine (Cl)

• Sodium (Na)

• Aluminum (Al)

Define electronegativity and its trend across a period.

• Electronegativity decreases across a period.

• Electronegativity increases across a period.

• Electronegativity remains constant across a period.

• Electronegativity is highest at the beginning of a period.

How does electronegativity change down a group in the periodic table?

• Electronegativity fluctuates randomly down a group.

• Electronegativity decreases down a group.

• Electronegativity remains constant down a group.

• Electronegativity increases down a group.

Which element is the most electronegative?

• Nitrogen

• Oxygen

• Fluorine

• Chlorine

What is the trend of electron affinity across a period?

• Electron affinity increases across a period.

• Electron affinity decreases across a period.

• Electron affinity remains constant across a period.

• Electron affinity fluctuates randomly across a period.