Exploring Periodic Trends and Atomic Properties

What are the elements in Group 1 of the periodic table called?

• Alkaline earth metals

• Transition metals

• Alkali metals

• Noble gases

Which group contains the noble gases?

• Group 1

• Group 2

• Group 17

• Group 18

What is the trend of atomic radius as you move down a group?

• It decreases

• It fluctuates

• It increases

• It remains the same

Which element has the smallest atomic radius?

• Helium

• Cesium

• Oxygen

• Iron

What is ionization energy?

• Energy released when an electron is added

• Energy required to add a proton

• Energy released when a proton is removed

• Energy required to remove an electron

Which element has the lowest ionization energy?

• Oxygen

• Helium

• Cesium

• Neon

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What does electron affinity measure?

• Energy required to remove an electron

• Energy released when an electron is added

• Energy required to add a proton

• Energy released when a proton is removed

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Which group has zero electron affinity?

• Group 17

• Group 18

• Group 2

• Group 1

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What is electronegativity?

• Measure of an atom's mass

• Measure of an atom's size

• Measure of an atom's ability to lose electrons

• Measure of an atom's ability to attract electrons in a compound

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Which element is the most electronegative?

• Helium

• Cesium

• Fluorine

• Neon

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