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Questions and Answers
What does the periodic table depict?
What does the periodic table depict?
- Arrangement of planets in the solar system
- Arrangement of chemical elements into rows and columns (correct)
- Arrangement of historical events in chronological order
- Arrangement of animals in different habitats
What does the periodic law state?
What does the periodic law state?
- A periodic table arrangement based on alphabetical order
- An approximate recurrence of element properties based on atomic numbers (correct)
- A random distribution of element properties in the periodic table
- An exact repetition of element properties based on atomic weights
How does metallic character change across the periodic table?
How does metallic character change across the periodic table?
- Decreases going down a group and increases from left to right across a period
- Increases going from right to left across a period and decreases down a group
- Increases going down a group and decreases from left to right across a period (correct)
- Remains constant across both groups and periods
Who formulated the first generally accepted periodic table?
Who formulated the first generally accepted periodic table?
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What did Mendeleev successfully use the periodic law for?
What did Mendeleev successfully use the periodic law for?
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