What is a conductor?

Inv4.Exp3 TextA (pg.183-187)

Quiz
•
Biology
•
11th Grade
•
Hard
Zachary Carousso
Used 2+ times
FREE Resource
30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A material where electrons cannot move easily
A material containing electrons or charged ions that can move easily through it
A device used to measure electric current
A type of insulator
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a conductor?
Covalent solid
Ionic solution
Rubber
Glass
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an insulator?
A type of metal
A material in which electrons can move freely
A device that prevents the flow of electric current
A material in which electrons cannot move easily
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are metals considered good conductors?
They are always in a liquid state
They have delocalized electrons
Their electrons are tightly bound to atoms
They have high resistance
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are delocalized electrons?
Electrons that are not associated with a single atom or a covalent bond
Electrons that can only move in insulators
Electrons that are tightly bound to a particular atom
Electrons that are stuck in localized chemical bonds
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is cold welding?
A welding technique that uses liquid nitrogen
A process of joining two metals together without heat
A process of joining two metals together using high heat
A type of welding that only occurs in cold temperatures
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does cold welding not happen in air?
Because the electrons cannot move in air
Because of the presence of oxide layers, dirt, and grease on the surfaces
Because the air temperature is too high
Because metals cannot bond in the presence of oxygen
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