Periodic Trends Practice

Which of the following elements has the largest atomic radius?

• iron

• boron

• silicon

• cesium

Which of the following elements has the lowest electronegativity?

• Neon

• Sulfur

• Oxygen

• Aluminum

Why does fluorine have a higher ionization energy than iodine?

• Fluorine has a higher electronegativity

• Fluorine has a higher atomic mass

• Fluorine has a smaller atomic radius

• Fluorine has more protons in its nucleus

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

Why do elements in the same family generally have similar properties?

• They have the same atomic radius

• They have the same ionization energy

• They have the same number of valence electrons

• They have the same electronegativity

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NGSS.HS-PS1-1

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Which of the following properties increases from left to right across the periodic table?

• Atomic radius

• First ionization energy

• Electronegativity

• None of the above

Reorder the following from left to right by increasing atomic radius.

• carbon

• oxygen

• magnesium

• potassium

• aluminum

Indicate whether the following properties increases or decreases from left to right across the periodic table.

Atomic Radius(excluding noble gases)

• Increases
• Decreases

Indicate whether the following properties increases or decreases from left to right across the periodic table.

First Ionization Energy

• Increases
• Decreases

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Indicate whether the following properties increases or decreases from left to right across the periodic table.

Electronegativity

• Increases
• Decreases

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which atom is larger:

Al or B

• Al

• B