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Questions and Answers
Which of the following statements about the periodic table is true?
Which of the following statements about the periodic table is true?
- The periodic table is divided into four roughly rectangular areas called blocks.
- Elements in the same group of the periodic table tend to show similar chemical characteristics. (correct)
- The periodic table is an organizing icon of physics and is widely used in chemistry and other sciences.
- The periodic table arranges the chemical elements into rows and columns.
What does the periodic law state?
What does the periodic law state?
- The periodic law states that the nonmetallic character increases going from the bottom left of the periodic table to the top right.
- The periodic law states that the metallic character increases going down a group and decreases from left to right across a period.
- The periodic law states that the elements are arranged in order of their atomic numbers.
- The periodic law states that when the elements are arranged in order of their atomic numbers, an approximate recurrence of their properties is evident. (correct)
Who formulated the first generally accepted periodic table?
Who formulated the first generally accepted periodic table?
- Dmitri Mendeleev (correct)
- Albert Einstein
- Marie Curie
- Isaac Newton
Which direction does the metallic character increase in a group of the periodic table?
Which direction does the metallic character increase in a group of the periodic table?
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In which direction does the nonmetallic character increase in the periodic table?
In which direction does the nonmetallic character increase in the periodic table?
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