Periodic Table

As you move up group 16, electronegativity of each successive element _________.

• Decreases

• Increases

• Stays the same

Which scientist developed the first published periodic table where elements were placed in order of increasing atomic mass?

• Henry Moseley

• Johann Dobereiner

• John Dalton

• Dmitri Mendeleev

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NGSS.HS-PS1-1

Which periodic trend has to do with the width of a given atom?

• Ionic Radius

• Atomic Radius

• Electronegativity

• Reactivity

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NGSS.HS-PS1-1

Elements in the same group have similar _______.

• Atomic Mass

• Symbol

• Chemical Properties

• Atomic Number

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NGSS.HS-PS1-1

As you move up group 16, reactivity of successive elements _______.

• Decreases

• Increases

• Stays the same

Which of the following elements will have a lower ionization energy (IE) than Selenium?

• Sulfur

• Tellurium

• Oxygen

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following element(s) have higher atomic radii than Selenium?

• Oxygen

• Sulfur

• Tellurium

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NGSS.HS-PS1-1

Which of the following elements have the smallest ionic Radius?

• Oxygen

• Selenium

• Sulfur

• Tellurium

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NGSS.HS-PS1-1

The element with the highest electronegativity in the halogen group?

• At

• F

• Cl

• Br

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which periodic group has the smallest atomic radius?

• Alkali metals

• Halogens

• Noble Gases

• Transition metals