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Questions and Answers
What does the periodic table arrange?
What does the periodic table arrange?
- Chemical elements into rows and columns (correct)
- Chemical compounds into groups and periods
- Chemical reactions into categories
- Chemical equations into blocks
What is the periodic law?
What is the periodic law?
- A random arrangement of element properties based on group numbers
- A specific sequence of element properties based on electron configurations
- An approximate recurrence of element properties based on atomic numbers (correct)
- A precise order of element properties based on atomic weights
What characterizes elements in the same group of the periodic table?
What characterizes elements in the same group of the periodic table?
- They exhibit completely different chemical properties
- They tend to show similar chemical characteristics (correct)
- They have identical atomic weights
- They always have the same atomic number
How does metallic character change across the periodic table?
How does metallic character change across the periodic table?
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Who formulated the first generally accepted periodic table and the periodic law?
Who formulated the first generally accepted periodic table and the periodic law?
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