Chemistry: Periodic Table Trends

What is the trend in atomic radius as you move from left to right across a period in the periodic table?

• increases

• stays the same

• decreases

• fluctuates

Explain the trend in ionization energy as you move down a group in the periodic table.

• The ionization energy increases

• The ionization energy decreases

• The ionization energy remains constant

• The ionization energy becomes negative

How does the electronegativity change as you move from top to bottom within a group in the periodic table?

• Decreases

• Fluctuates

• Increases

• Remains constant

Discuss the trend in metallic character as you move from right to left across a period in the periodic table.

• Metallic character is not affected

• Metallic character decreases

• Metallic character remains the same

• Metallic character increases

What is the trend in the reactivity of alkali metals as you move down the group in the periodic table?

• Reactivity becomes radioactive

• Reactivity decreases

• Reactivity increases

• Reactivity remains constant

Explain the trend in the atomic size of halogens as you move down the group in the periodic table.

• Atomic size decreases

• Atomic size fluctuates

• Atomic size increases

• Atomic size remains constant

Discuss the trend in the melting and boiling points of noble gases as you move down the group in the periodic table.

• Remain constant

• Increase

• No specific trend

• Decrease

How does the electron affinity change as you move from left to right across a period in the periodic table?

• Becomes negative

• Increases

• Decreases

• Remains constant

What is the trend in the reactivity of nonmetals as you move from left to right across a period in the periodic table?

• Reactivity becomes unpredictable

• Reactivity increases

• Reactivity decreases

• Reactivity remains constant

Explain the trend in the first ionization energy as you move from left to right across a period in the periodic table.

• The first ionization energy becomes negative

• The first ionization energy remains constant

• The first ionization energy decreases

• The first ionization energy increases