(Most of the points are already covered in the previous
chapter, the one left are mentioned below)
·
Composition of an atom:
Subatomic Particles
|
Relative Charge
|
Relative Masses
|
|
Nucleus
|
Protons (p)
|
+1
|
1
|
Neutrons (n)
|
0
|
1
|
|
Shells
|
Electrons (e)
|
-1
|
1/1840
|
·
Charge on an electron is 1.602 x 10-19 Coulombs
·
Nucleon number = number of protons + number of
neutrons
·
Neutral atom:
Positively Charged Protons =
Negatively Charged Electrons
·
Ion Formation:
When an atom gains or losses
electrons, ions are formed which are electrically charged.
·
Beams of protons and electrons are deflected by
electric fields but neutrons are not.
Negatively charged electrons are deflected
towards the positive plate
Positively charged protons are deflected
towards the negative plate
Here is a link to my drive,
you can download the original file here:
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