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Questions and Answers
Which statement best describes the periodic table?
Which statement best describes the periodic table?
- It organizes the elements based on their atomic weights
- It groups elements based on their chemical reactivity
- It depicts the relationship between elements and their isotopes
- It arranges the chemical elements into rows and columns (correct)
What does the periodic law state?
What does the periodic law state?
- Elements in the same period have similar atomic weights
- Elements in the same period have similar properties
- Elements in the same group have similar chemical characteristics (correct)
- Elements in the same group have similar atomic numbers
How does metallic character change across a period?
How does metallic character change across a period?
- It decreases from right to left
- It decreases from left to right
- It increases from left to right (correct)
- It increases from right to left
How does nonmetallic character change across the periodic table?
How does nonmetallic character change across the periodic table?
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Who formulated the first generally accepted periodic table?
Who formulated the first generally accepted periodic table?
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