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Questions and Answers
What is the process called when a valence electron is lost from an atom?
What is the process called when a valence electron is lost from an atom?
- Valencization
- Ionization (correct)
- Neutralization
- Atomization
What happens when a free electron collides with an atom and is captured?
What happens when a free electron collides with an atom and is captured?
- Ionization occurs
- The atom becomes a positive ion
- The atom becomes a conductor
- The atom becomes a negative ion (correct)
What is the term for a positively charged atom that has lost a valence electron?
What is the term for a positively charged atom that has lost a valence electron?
- Valence atom
- Negative ion
- Positive ion (correct)
- Free electron
Which model of an atom is considered more accurate than the Bohr model?
Which model of an atom is considered more accurate than the Bohr model?
How are atoms arranged within crystalline materials?
How are atoms arranged within crystalline materials?
What type of bond holds atoms together within a crystal structure?
What type of bond holds atoms together within a crystal structure?
What is the Bohr model often referred to as?
What is the Bohr model often referred to as?
What does the nucleus of an atom consist of according to the Bohr model?
What does the nucleus of an atom consist of according to the Bohr model?
Which model of the atom is considered a more accurate representation than the Bohr model?
Which model of the atom is considered a more accurate representation than the Bohr model?
In the Bohr model, what surrounds the central nucleus of an atom?
In the Bohr model, what surrounds the central nucleus of an atom?
Which element has the simplest atom with one proton and one electron?
Which element has the simplest atom with one proton and one electron?
What distinguishes each type of atom from all other elements?
What distinguishes each type of atom from all other elements?
How many valence electrons does a carbon atom have?
How many valence electrons does a carbon atom have?
What is the term used for a material that does not conduct electrical current under normal conditions?
What is the term used for a material that does not conduct electrical current under normal conditions?
Which of the following is NOT an example of an insulator?
Which of the following is NOT an example of an insulator?
What determines the ability of a material to conduct electrical current?
What determines the ability of a material to conduct electrical current?
What is the primary characteristic of a good conductor?
What is the primary characteristic of a good conductor?
What contributes to the electrical properties of a material according to the text?
What contributes to the electrical properties of a material according to the text?
What does the atomic number of an element represent?
What does the atomic number of an element represent?
In a neutral atom, how does the number of electrons compare to the number of protons?
In a neutral atom, how does the number of electrons compare to the number of protons?
What corresponds to a certain energy level in an atom?
What corresponds to a certain energy level in an atom?
How are energy levels in an atom grouped?
How are energy levels in an atom grouped?
Which shell is the closest to the nucleus in an atom?
Which shell is the closest to the nucleus in an atom?
What determines the maximum number of electrons that can exist in each shell of an atom?
What determines the maximum number of electrons that can exist in each shell of an atom?
What happens to an electron in the conduction band?
What happens to an electron in the conduction band?
What is the band gap related to in quantum theory?
What is the band gap related to in quantum theory?
Why does silicon have an advantage over germanium as a semiconductor?
Why does silicon have an advantage over germanium as a semiconductor?
What type of bond do silicon atoms form to create a crystal?
What type of bond do silicon atoms form to create a crystal?
How does the location of valence electrons affect the stability of materials?
How does the location of valence electrons affect the stability of materials?
Why does excessive reverse current occur in materials with valence electrons at higher energy levels?
Why does excessive reverse current occur in materials with valence electrons at higher energy levels?
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