Periodic Properties

As you move across a row (period) on the periodic table, the atomic radius ______________________

• Increases

• Decreases

• Stays the same

• Explodes

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NGSS.HS-PS1-1

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Ionization energy is the energy needed to _________ an electron.

• Fission

• Explode

• Remove

• Add

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NGSS.HS-PS1-1

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As you move across a row on the periodic table, ionization energy ______________________

• Decreases

• Increases

• Stays the same

Which group of elements has the lowest ionization energy?

• Group 1

• Group 2

• Group 3

• Group 4

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NGSS.HS-PS1-1

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A vertical column on the periodic table is called a ___________

• Period

• Group

A horizontal row on the periodic table is called a ______________

• Period

• Group

Group VIII A elements are called ________________

• Alkali metals

• Transition metals

• Halogen

• Noble gases

Group I A elements (not including hydrogen) are called ________________

• Alkali metals

• Transition metals

• Halogen

• Noble gases

Which of the following elements would have the smallest atomic radius?

• Li

• Be

• C

• Ne

Tags

NGSS.HS-PS1-1

Which statement about subatomic particles is true?

• Protons, neutrons, and electrons all have about the same mass.

• Unlike protons or neutrons, electrons have no mass.

• Neutrons have no charge and no mass.

• An electron has far less mass than either a proton or neutron.