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