Parts+of+an+Atom

=Parts of an Atom=

=An atom the smallest unit of matter which still retains its physical and chemical properties. It is composed of two parts, the nucleus and the electron cloud.=

=The Nucleus: It is the center part of the atom, it is also the most dense it is composed of protons and or neutrons. It is positively charged because of the protons it has.= =The Electron Cloud: It is located on the outside of the nucleus, it is not dense bu has the most volume, it is composed only by a certain amount of electrons making it negatively charged.= =Electron: A subatomic particle located in the electron cloud. It is composed of one down quark. ( - )= =Proton: A subatomic particle located in the nucleus. It is composed on two up quarks and one down quark. ( + )= =Neutron: A subatomic particle sometimes located in the nucleus. It is composed of one up quark and two down quarks. ( 0 charge )=



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