C2 4.0 / 5 based on 4 ratings ? ChemistryGCSEEdexcel Created by: Rosie SimpsonCreated on: 30-01-13 18:40 What is the charge on a proton? Positive 1 of 9 What charge does an electron have? Negative 2 of 9 What is the name for group 7 elements in the periodic table? Halogens 3 of 9 Which group in the periodic table are the alkali metals? Group 1 4 of 9 How do you test for anions? Dip a nicrome wire in acid, dip it into the compund and put the the wire in the bunsen burner 5 of 9 Describe covalent bonding... Atoms sharing electrons to fill their outer shell 6 of 9 Describe ionic bonding Atoms giving away electrons to become stable 7 of 9 Na + Cl = NaCl 8 of 9 What is Chromatography used for ? It is used to separate and identify components in substances 9 of 9
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