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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 organizes elements based on their atomic mass.
- The periodic table organizes elements based on their atomic number. (correct)
- The periodic table organizes elements based on their physical properties.
- The periodic table organizes elements based on their chemical reactivity.
What can be predicted reasonably accurately from an element's position in the periodic table?
What can be predicted reasonably accurately from an element's position in the periodic table?
- Physical properties
- Neither physical properties nor chemical reactivity
- Chemical reactivity
- Both physical properties and chemical reactivity (correct)
What does the atomic number of an element represent?
What does the atomic number of an element represent?
- The number of protons in an atom of that element (correct)
- The number of neutrons in an atom of that element
- The number of electrons in an atom of that element
- The number of isotopes of that element
How many known elements are there in the periodic table?
How many known elements are there in the periodic table?
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What is unique to each element in the periodic table?
What is unique to each element in the periodic table?
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Which type of bonding is more common in organic chemistry?
Which type of bonding is more common in organic chemistry?
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What is the term used to describe the stable balance of attractive and repulsive forces between atoms when they share electrons?
What is the term used to describe the stable balance of attractive and repulsive forces between atoms when they share electrons?
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What are the electron pairs that are formed when atoms share electrons called?
What are the electron pairs that are formed when atoms share electrons called?
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What does the prefix 'co-' in 'covalent bond' mean?
What does the prefix 'co-' in 'covalent bond' mean?
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When atoms share electrons in a covalent bond, what do they attain?
When atoms share electrons in a covalent bond, what do they attain?
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