4. Atoms and Elements

In the periodic table, what is meant by a “family” (also called a group)?

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

Which element is most likely to have similar chemical properties to oxygen due to being in the same group (chalcogens) on the periodic table?

Which element is most reactive (most active) in Group 17 (the halogens) under standard conditions?

Which element is most similar to sulfur in its chemical properties because it is in the same group (Group 16, chalcogens) on the periodic table?

Periodic Table: Group Names — How many vertical groups (columns) are there in the modern periodic table?

In the periodic table, what does the term "family" (or group) mean?

In the periodic table, what is the common name for Group 8A (also called Group 18)?

In the periodic table, a horizontal row is called a(n):

Which element would be expected to have chemical properties most similar to calcium (Ca) based on periodic table group trends?

How many groups (vertical columns) are in the modern periodic table?

In the periodic table, the horizontal rows are called what?

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

Locate aluminum in the periodic table and give its group number and period number.