Explains the organization of the periodic table, including groups, periods, and general trends in periodicity.
What students will learn
- State the historical background and arrangement of the modern Periodic Table.
- Define periods (horizontal rows) and groups (vertical columns) in the Periodic Table.
- Identify the four blocks of elements (s, p, d, f blocks).
- Describe the general trends in periodicity across a period and down a group (atomic radius, ionization energy, electronegativity).
- Relate the electronic configuration of an element to its position on the Periodic Table.
Sample quiz questions
Which scientist is credited with the modern Periodic Law which states that properties of elements are a periodic function of their atomic numbers?
- A. Dmitri Mendeleev
- B. Henry Moseley
- C. John Newlands
- D. Lothar Meyer
Horizontal rows in the periodic table are referred to as:
- A. Groups
- B. Periods
- C. Families
- D. Series
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