8. PS.2b - The Periodic Table

What is the atomic number of Oxygen?

• 6

• 8

• 10

• 12

Tags

VA.PS.2.b

Which element is located in Group 1 and Period 2 of the periodic table?

• Lithium (Li)

• Sodium (Na)

• Potassium (K)

• Rubidium (Rb)

Tags

VA.PS.2.b

Explain how the periodic table can be used to predict the reactivity of elements in Group 1.

• Reactivity is minimal in group 1 because of the number of valence electrons.

• Reactivity is highest in group 1 because of the number of valence electrons.

• It is not possible to determine reactivity based on the number of valence electrons.

• Reactivity has nothing to do with the placement of elements on the Periodic Table.

Tags

VA.PS.2.b

Which element would you expect to have similar chemical properties to Chlorine?

• Argon (Ar)

• Fluorine (F)

• Oxygen (O)

• Nitrogen (N)

Tags

VA.PS.2.b

Describe how the periodic table can help predict the type of bond that will form between Sodium and Chlorine.

• It predicts a covalent bond because both elements are nonmetals.

• It predicts an ionic bond because one element is a metal and one is a nonmetal.

• It predicts a metallic bond due to both being metals.

• It predicts no bond will form due to their positions.

Tags

VA.PS.2.b

Evaluate why elements in the same group of the periodic table have similar chemical properties.

• They have the same number of protons.

• They have the same number of valence electrons.

• They have the same atomic mass.

• They have the same number of neutrons.

Tags

VA.PS.2.b

Atoms of elements in a group on the Periodic Table have similar chemical properties.  This similarity is most closely related to the atoms'

• a. number of principal energy levels
• b. number of valence electrons
• c. atomic numbers
• d. atomic masses

Elements in the same ________ are chemically similar.

• group
• period
• club
• table

If you start at the ​ (a)   of the periodic ​table and move ​ (b)   a ​ (c)   , the ​ (d)   ​ (e)   .

• top
• down
• group
• valence electrons
• remain the same

Elements in the same column of the periodic table always have the same # of _______ as one another.

• protons

• neutrons

• electrons

• valence electrons