Unit 2 Exam Review

Which of the following sequences corresponds to a correct trend in ionization energy?

• Cl > S > P > Al
• Sr > Ca > Mg > Be
• Rb > K > Na > Li
• Rb > Sr > I > Xe

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Which element has the greater ionization energy?

• Strontium
• Boron

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Which element has the greater ionization energy?

• Lead
• Silicon

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Put the following in order of increasing ionization energy:Neon, Lithium, Carbon

• Lithium, Carbon, Neon
• Carbon, Lithium, Neon
• Neon, Carbon, Lithium
• Lithium, Neon, Carbon

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What is ionization energy?

• Energy required to remove an electron
• Energy needed to split an electron
• Energy required to add an electron

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Ionization energy __________ as you go across a period

• stays the same

• decreases

• increases

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Ionization energy __________ as you go down a group.

• stays the same

• decreases

• increases

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Which element has the greater ionization energy?

• Magnesium (Mg)

• Phosphorus (P)

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Which element has the greater ionization energy?

• Iodine (I)

• Chlorine (Cl)

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The vertical (up and down) columns in the Periodic Table are called

• groups

• towers

• periods

• atomic numbers

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