3 Questions
What is the atomic number of an element on the periodic table?
The number of protons in the nucleus
Which element is located in period 3, group 13 of the periodic table?
Aluminum
What is the most common element in the Earth's crust by mass?
Oxygen
Test your knowledge of the periodic table with this quiz! Explore atomic numbers, element locations, and the composition of the Earth's crust. See how well you know the fundamental properties of the elements.
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