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Questions and Answers
What controls all of the chemical behavior that we see?
What happens to the energies of electrons as we move across a period?
Which block of elements can have the same valence electron configuration within a group?
What is the radius of an atom measured from the center to the outermost electron?
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What will happen to the atomic radius as the number of protons increases at any given energy level?
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What property of elements can be predicted from the arrangement of the periodic table?
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Which group of elements are known for being explosively reactive with water?
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Which group of elements tend to form +2 ions commonly?
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Which group of elements are essentially non-reactive or inert?
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Which category of elements will react to gain electrons or share electrons to fill their valence shells?
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Which group of elements produce -1 ions readily and are violently reactive?
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Which block of elements consists of Transition Metals?
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Which group of elements in the periodic table are generally good conductors?
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What group of elements are represented by Group 8A in the periodic table?
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Which group of elements are known as the alkaline earth metals?
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Where are the metalloids (semimetals or semiconductors) typically found in the periodic table?
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Why is hydrogen considered special even though it sits above Group 1A?
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Which group of elements are represented by Group 7A in the periodic table?
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What is the relation between wavelength and frequency in electromagnetic radiation?
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What is the amplitude of a wave?
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What parts of the electromagnetic spectrum are visible to the human eye?
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Who started looking at the emission of energy and found that objects can only emit energy in specific amounts?
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Which of the following statements about light acting like a particle is true?
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What was a limitation of the model that did not account for chemical behavior?
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Which of the following would result in incorrect electron placement?
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Why can't the 4p orbital be filled in an atom with 25 electrons as shown in the example?
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What is the purpose of using Orbital Box Diagrams?
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Why is the concept of an atom considered abstract?
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How old is the idea of an atom?
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What method helps determine the average atomic mass for an element?
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