Periodic Table Answer Key
Learn how elements are organized in the periodic table and predict their properties.
Looking for Periodic Table answers? This complete answer key provides verified solutions for all student exploration activities and assessment questions in the ExploreLearning Periodic Table Gizmo.
✅ 100% Free • Step-by-step explanations • Perfect for homework help • Covers all activities • Updated for 2026
Table Organization
Q1.How are elements arranged in the periodic table?
By increasing atomic number (number of protons). Elements in the same column have similar properties.
Q2.What's a period?
A horizontal row. Elements in the same period have the same number of electron shells.
Q3.What's a group or family?
A vertical column. Elements in the same group have similar chemical properties because they have the same number of valence electrons.
Element Properties
Q4.Where are metals located?
Q5.Where are nonmetals?
Q6.What are the noble gases?
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