4. Atoms and Elements

To which periodic table group does argon (Ar) belong?

Which group on the periodic table is generally the least reactive under standard conditions?

In the periodic table, what are the vertical columns called?

In the periodic table, what are the vertical columns called?

Which family on the periodic table is generally the most reactive (readily loses one electron to form a $M^{+}$ ion)?

In the periodic table, what is the common group name for Group 18 elements?

In the periodic table, what do we call the vertical columns?

Periodic Table: Group Names — Which element is the most active (reactive) nonmetal?

Which element is most likely to have similar chemical properties to calcium because it is in the same group of the periodic table?

Which family (group) on the periodic table is generally the least reactive under normal conditions?

In the periodic table, what are the names for the rows and the columns (groups)?

Tin (Sn) and antimony (Sb) are located in which relationship on the periodic table?

Which element is in the noble gas family (Group 18) on the periodic table?

Which element is located in period 3, group 2 of the periodic table?

Which element is classified as an alkali metal (Group 1) on the periodic table?