Periodic Table Organization Worksheet
Explore the organization and key features of the periodic table, including groups, periods, and element properties, for Grade 9 science.
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Topics
Periodic Table Organization
Name:
Date:
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Read each question carefully and answer to the best of your ability. Refer to your knowledge of the periodic table.
1. Elements in the same column of the periodic table have similar chemical properties because they have the same number of:
protons
neutrons
valence electrons
electron shells
2. Which of the following is true about elements in the same period of the periodic table?
They have the same number of valence electrons.
They have the same atomic mass.
They have the same number of electron shells.
They have similar chemical properties.
3. The periodic table organizes elements by increasing atomic .
4. A horizontal row on the periodic table is called a .
5. A vertical column on the periodic table is called a or family.
6. All elements in Group 18 (noble gases) are highly reactive.
True
False
7. Metals are generally found on the left side of the periodic table.
True
False
8. What is the significance of the atomic number in the organization of the periodic table?
9. Briefly describe the general trend of electronegativity as you move from left to right across a period on the periodic table.
10. Analyze the provided element box for carbon and answer the questions below.
a) What is the atomic number of carbon?
b) What is the atomic mass of carbon?
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