subatomic

proton, neutrons and electrons the 3 main subatomic particle.

election is the outer side and neutron  have a negative atomic

and  positive is proton .

introduction to chemistry

chemistry is study of matter and energy and the interactions between them.

8 major feild
Organic,
inorganic,
biochmistry
analyical
theoricol
materials
nuclear
physical
physcial

Mr Baller of 09 in HISTORY

Mr Baller of 09