Periodic Table Organization
Explore the organization and key features of the periodic table, including periods, groups, and basic element information.
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Periodic Table Organization
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Read each question carefully and answer to the best of your ability.
1. The periodic table organizes elements by increasing what?
Number of neutrons
Atomic number
Atomic mass
Number of electrons
2. What are the horizontal rows on the periodic table called?
Groups
Families
Periods
Blocks
3. The vertical columns on the periodic table are called .
4. Elements in the same group have similar properties.
5. The atomic number of an element tells you the number of in its nucleus.
6. Look at the image below. What does the number '6' represent for Carbon (C)?

7. Explain why elements in the same period have different chemical properties.
8. All elements in the periodic table are naturally occurring.
True
False
9. The periodic table is arranged in order of increasing atomic mass.
True
False
Match each term with its definition.
10. Period
a. Vertical column on the periodic table
11. Group
b. Horizontal row on the periodic table
12. Atomic Number
c. Number of protons in an atom