Citlalli Camargo

A neutron is found inside the nucleus and its neutral

A electron is found at the outside of the nucleus, has a negative charge.

A proton can be found inside the nucleus, has a positive charge

The subatomic Particles are proton, neutron, and electron.

A periodic table shows all the elements

Noble gasses are gasses like helium which is used by balloons 

Any of the group of univalent metals including potassium

Any of the electronegative elements, fluorine

An element that has both metallic and nonmetallic properties

Any of a class of elementary substances as gold