Unit 2 Periodic Table PreAssessment

What is the group number of the atom shown?

• 2A

• 3A

• 4A

• 5A

• 6A

Tags

NGSS.HS-PS1-1

What is the period of the atom shown?

• 2

• 3

• 4

• 5

• 6

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NGSS.HS-PS1-1

Which of the following atoms has the largest atomic radius?

• Aluminum

• Bromine

• Chlorine

• Magnesium

• Potassium

Which of the following elements have similar properties to chlorine? (Select all that apply.)

• Oxygen

• Fluorine

• Argon

• Bromine

• Sulfur

Tags

NGSS.HS-PS1-1

Which of the following elements are identified as metals? (Select all that apply.)

• Arsenic

• Boron

• Calcium

• Mercury

• Zinc

Which sides of the periodic table do the most reactive metals appear? (Select two sides.)

• Left side of the periodic table

• Right side of the periodic table

• Middle of the periodic table

• Bottom of the periodic table

• Top of the periodic table

Which of the following are halogens that have the same number of valence electrons? (Select all that apply.)

• Xe

• Be

• Cl

• I

• Mg

Tags

NGSS.HS-PS1-1

In the modern periodic table, how are the elements arranged?

• Increasing number of oxidation states

• Increasing number of neutrons

• Increasing atomic mass

• Increasing atomic number

• Increasing chemical properties

Order the following elements from highest to lowest electronegativity: K, Sc, Ca, Zn, Br

• K, Ca, Sc, Zn, Br

• Sc, K, Br, Zn, Ca

• Br, Zn, Sc, Ca, K

• Ca, Zn, Br, K, Sc

• Br, Sc, Zn, K, Ca

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which color in the above picture of the periodic table corresponds to the alkali metals?

• Yellow

• Light green

• Brown

• Pink

• Blue

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NGSS.HS-PS1-1