Chemistry 2.0 / 5 based on 1 rating ? ScienceChemistryGCSEOCR Created by: Abbie BroadbentCreated on: 20-03-13 17:19 It contains protons and neutrons and has a positive charge. nucleus 1 of 7 they are negatively charged electrons 2 of 7 vertical columns in the periodic table groups 3 of 7 rows in the periodic table periods 4 of 7 different forms of the same element which have the same number of protons but a different number of neutrons isotopes 5 of 7 the mass number is the ... on the element top 6 of 7 the atomic number tells us how many .... there are protons 7 of 7
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