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Questions and Answers
What is the term for electrons in the outermost shell of an atom?
What is the term for electrons in the outermost shell of an atom?
- Free electrons
- Ionized electrons
- Valence electrons (correct)
- Conduction electrons
Which material is characterized by atoms with four valence electrons?
Which material is characterized by atoms with four valence electrons?
- Semiconductors (correct)
- Metals
- Conductors
- Insulators
What happens when an electron gains a certain amount of energy and moves to an orbit farther from the nucleus?
What happens when an electron gains a certain amount of energy and moves to an orbit farther from the nucleus?
- Conduction
- Ionization (correct)
- Excitation
- Valence shift
Which material does not conduct electrical current under normal conditions and has very high resistivity?
Which material does not conduct electrical current under normal conditions and has very high resistivity?
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What type of materials are characterized by atoms with only one valence electron very loosely bound to the atom?
What type of materials are characterized by atoms with only one valence electron very loosely bound to the atom?
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