1 Flashcards
1
Q
Atoms can have up to how many shells?
A
1
2
Q
Charged atoms are called
A
Ions
3
Q
Number of electrons in copper
A
29
4
Q
Hydrogen has how many shells
A
1
5
Q
Max number of electrons in the second shell?
A
8
6
Q
The outer shell of an atom is called
A
Valence shell
7
Q
Atoms with __ number if valence electrons make the best conductors
A
1 or 2
8
Q
6 ways electricity is produced
A
Friction, heat, light, chemical, pressure, magnetism
9
Q
Light is made of
A
Photons
10
Q
Piezoelectricity is
A
Electricity from pressure
11
Q
Speed of light is
A
186000 miles per second
12
Q
Electron current flows from
A
Low to high potential
13
Q
Light produced without much heat
A
Fluorescence, phosphorescence, electroluminescense
14
Q
Compass needle points to
A
North magnetic pole
15
Q
Flux lines go out _ pole and come in the _ pole
A
Out drom N, into S
