negative charge is electron
positive charge is a proton
no charge is neutron
I think this because they are getting much older and weaker so they’re bones tend to break down easily
X-Ray used to Take images of teeth and bones.
Ultraviolet night vision goggle
Formal charge can be calculated from the following formula
Formal charge = valency of central atom - (number of lone pair of electrons + number of covalent bonds)
a) for methylene:
Formal charge = 4 -( 2+ 2) = 0
b) For methyl free radical
Formal charge = 4- (3 +1) = 0
