Relier Pairs matter and energy affirmationsVersion en ligne you have to answer the following questions par DAVID SANTIAGO CAICEDO NIÑO 1 are the elements from the group don't metals 2 is a particle subatomic with charge electric positive that you can find that into the nucleus atomic 3 the group 4 particle that you can find around de nucleus of the atom and have a charge electric negative 5 this elements are from the group of the noble gases 6 is the line horizontal of the table periodic Hydrogen carbon Nitrogen Oxygen Phosphorus Sulfur Selenium Fluorine period proton the line vertical of the table periodic Helio Neón Argón Kriptón Xenón Radón electron