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Questions and Answers
What is the modern periodic table based on?
What is the modern periodic table based on?
- Dmitri Mendeleev's ideas (correct)
- The elements in the world
- The horizontal rows
- The vertical columns
What is the order of the elements in the periodic table?
What is the order of the elements in the periodic table?
- Alphabetical
- Increasing atomic number (correct)
- Increasing size
- Decreasing size
What are the horizontal rows of the periodic table called?
What are the horizontal rows of the periodic table called?
- Groups
- Elements
- Periods (correct)
- Charts
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