Atom+ICS16ELK


 * atom:** the basic element unit used for all chemical elements of energy.
 * proton:** a particle in an atom that has a positive charge.
 * neutron:** a particle that does not have a charge, it is neutral.
 * electron:** a particle in an atom that has a negative charge.
 * nucleus:** the center of a cell or an atom, it is positively charged and is the control center.
 * atomic number:** the number of protons in an atom
 * atomic weight:** the mass of an atom with the units of the charges.
 * atomic symbol:** it is an element that determines where it is located on the periodic table.

__Assigned Element Atom :__** Aluminum ** Aluminum is a silver-white metal, It is a member of Group 13, and it is an excellent conductor of heat and electricity. The pure metal is soft, but it becomes strong and hard when alloyed. Aluminum foil is used as a wrapping material. Aluminum powder is used in paints. Aluminum is a very reactive chemical, aluminum resists corrosion by the formation of a self-protecting a coating.