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Questions and Answers
What characterizes the elements in the same group of the periodic table?
What characterizes the elements in the same group of the periodic table?
- They have the same atomic mass
- They have the same number of protons
- They have similar electronegativity
- They tend to show similar chemical characteristics (correct)
What is the approximate recurrence of properties in the periodic table based on?
What is the approximate recurrence of properties in the periodic table based on?
- Arrangement of elements in order of their atomic masses
- Arrangement of elements in order of their atomic numbers (correct)
- Arrangement of elements based on their melting points
- Arrangement of elements in alphabetical order
According to the periodic table, how does metallic character change going down a group?
According to the periodic table, how does metallic character change going down a group?
- Increases (correct)
- Remains constant
- Decreases
- Fluctuates
What is the name of the Russian chemist who formulated the periodic law in 1869?
What is the name of the Russian chemist who formulated the periodic law in 1869?
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How does nonmetallic character change across the periodic table?
How does nonmetallic character change across the periodic table?
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