DAY 1 Theory Terms Metric Lecture Flashcards
Electricity is simply the flow of ______ through a conductor
electrons
Outer most shell of electrons is called
Valence Shell
A charged atom is called an
Ion
Negative Ion
Excessive amount of electrons - trying to get rid of electrons.
Positive Ion
Lacking electrons (Excessive amount of protons) - trying to find another electron to balance itself out.
______ naturally want to be ______ and will get rid of or
attract free electrons to be electrically _____.
answer;
atoms
answer;
neutral
answer;
neutral
Conductors have fewer than _____ electrons in the outer shell or valence shell
1-4 or fewer than 5
Insulators have between ______ electrons in the valence shell
5-8
Insulators have a strong ____ bond (its where the electrons are shared by atoms)
Covalent
Positive ion pulls electron away from nearby atom, thus making that atom a ________ which does the same to the next.
Positive Ion
Electrons travel approximately ________ miles per second (speed of light)
186,000
Electrons flow from _____ to ______
Negative to positive
The unit of measurement ____ has 6.28 billion billion electrons and is represented by the symbol ______
answer;
Coulomb
answer;
Symbol “Q”
____ is a unit of measurement it is the flow of electrons and is measured in ____ and is represented by the symbol ___
answer;
Current
answer;
Amps
Answer;
Symbol “I”
____ is a unit of measurement it is the opposition to the flow of electrons and is measured in ____ and is represented by the symbol ___
answer;
Resistance
answer;
Ohms
answer;
Symbol “R” or Omega