Exploring Periodic Trends

Periodic Trends

Review

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Increasing Atomic Radius

Increasing Atomic Radius

Cation Radius < Neutral < Anion Radius

Increasing Ionization Energy

Increasing Ionization Energy

Decreasing Electronegativity

Increasing Electronegativity

Multiple Choice

What is ionization energy?

• The energy required to remove an electron from a neutral atom

• The energy required to add an electron to a neutral atom

• The energy required to break a chemical bond

• The energy required to form a chemical bond

Multiple Choice

Which trend describes the change in electronegativity across a period?

• Increasing metallic character

• Decreasing nonmetallic character

• Increasing electronegativity

• Decreasing metallic character

Multiple Choice

Of the halogens, which has the smallest radius?

• F

• Br

• He

• At

Multiple Choice

Which of the following will have a higher electronegativity than arsenic (As)?

• Sodium (Na)

• Neon (Ne)

• Antimony (Sb)

• Germanium (Ge)

Multiple Choice

Which of the following will have a lower ionization energy than Scandium (Sc)?

• Helium (He)

• Titanium (Ti)

• Calcium (Ca)

• Magnesium (Mg)