chemisrty 0.0 / 5 ? ChemistryThe Periodic TableGCSENone Created by: Esther_McTCreated on: 08-06-17 15:51 what is held in the Nucleus? protons and neutrons 1 of 7 What is atomic mass? number of protons and neutrons 2 of 7 what is atomic number? number of protons 3 of 7 Where are electrons found? inshell 4 of 7 what are the three subatomic particles? proton,neutron,electrons 5 of 7 what is a isotypes? atoms of the same element with a different number of neutrons 6 of 7 is there always the same number of electrons and protons in a atom? yes 7 of 7
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