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