Periodic Table Mastery: Atomic Number Challenge Worksheets

What It Is:
This worksheet challenges students to identify chemical elements based on their atomic numbers. It includes a range of elements from basic to advanced, reinforcing periodic table knowledge and elemental identity.
Why Use It:
It strengthens understanding that atomic number equals the number of protons and defines each element. The mixed difficulty levels encourage both foundational review and deeper periodic table familiarity.
How to Use It:
• Use a periodic table to match each atomic number to its element name.
• Write the full chemical name clearly for each number provided.
• Review the quick tip to reinforce the proton–atomic number relationship.
• Extend learning by identifying element symbols or common uses.
Grade Suitability:
Best suited for Grades 8–12.
• Middle school units introducing the periodic table.
• High school chemistry review and assessment practice.
Target Users:
Science teachers, homeschool educators, tutors, and students practicing periodic table mastery and atomic number identification.