Chemisry Unit 2 atoms, elements, compounds, isotopes and periodic table 4.0 / 5 based on 1 rating ? ChemistryAtoms and compoundsGCSEAll boards Created by: popwizzyCreated on: 07-03-11 17:23 Protons have a... positive charge 1 of 8 Electrons have a... negative charge 2 of 8 The mass number is... protons and neutrons 3 of 8 so... atoms have 0 charge 4 of 8 Isotopes have... the same protons and different neutrons 5 of 8 Compounds are... chemically bonded elements 6 of 8 Elements in the same group have... similar properties 7 of 8 Groups in the periodic table have... same number of electrons in the outer shell 8 of 8
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