Periodic Table Fundamentals
This worksheet covers fundamental concepts of the Periodic Table, including its organization, trends, and key element properties for Grade 9 Science.
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Periodic Table Fundamentals
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Read each question carefully and answer to the best of your ability. Use your knowledge of the Periodic Table to complete the tasks.
1. Which of the following elements is a noble gas?
Oxygen
Chlorine
Neon
Sodium
2. Elements in the same group (vertical column) of the Periodic Table have similar:
Atomic mass
Number of electron shells
Chemical properties
Melting point
3. The Periodic Table is organized by increasing number.
4. Elements in the same row of the Periodic Table are called a .
5. Nonmetals are generally good conductors of heat and electricity.
True
False
6. The atomic number represents the number of protons in an atom.
True
False
7. Describe the general trend in atomic radius as you move from left to right across a period in the Periodic Table.
8. What is the significance of valence electrons in determining an element's chemical reactivity?
Use the provided image of a periodic table element box to answer the following questions. Assume the image represents a generic element.
9. What information is typically represented by the largest number in an element box?
10. What does the letter(s) in the center of the element box represent?