NCTI Installer Technician CH. 1 questions with answers

NCTI Installer Technician CH. 1 questions with
answers


Why do only the outer electrons leave their orbit shells? - ** VERIFIED ANSWERS
**✔✔because electrons farthest from the nucleus are more easily freed from their orbits
due to a weaker electrostatic force.



What is required to have a balanced (or stable) atom? - ** VERIFIED ANSWERS
**✔✔electrons must equal the number of protons



List the capacity of each of the first four orbital shells of an atom. - ** VERIFIED ANSWERS
**✔✔2,8,18,32



What is the maximum electron capacity of a valence shell? - ** VERIFIED ANSWERS
**✔✔maximum of eight electrons



Electrons in orbits nearest the nucleus contain _________ energy than those in more distant
orbits. - ** VERIFIED ANSWERS **✔✔Less



What will happen to a valence electron that has enough energy added to it? - ** VERIFIED
ANSWERS **✔✔valence electron that has enough energy added to it will move away
from its atom.



What major factor determines which category a particular element belongs? - ** VERIFIED
ANSWERS **✔✔The number of electrons in the valence shell



How many valence electrons are there in a good conductor? - ** VERIFIED ANSWERS
**✔✔only one or two valence electrons