C4 - Chemical Patterns (OCR) 4.5 / 5 based on 6 ratings ? ChemistryChemical patterns and reactivity seriesGCSEOCR Created by: RyvitaCreated on: 30-07-12 18:17 What are ions? Atoms that lose or gain electrons 1 of 13 What are the Group 7 elements called? Halogens 2 of 13 What are the Group 0 elements called? Noble Gases 3 of 13 What are the Group 1 called? Alkali Metals 4 of 13 What are rows in the Periodic Table called? Periods 5 of 13 What are columns in the Periodic Table called? Groups 6 of 13 What is the electrical charge of neutrons? Neutral 7 of 13 What is the electrical charge of protons? Positive 8 of 13 What is the electrical charge of electrons? Negative 9 of 13 What is sublimation? The process where a solid turns directly into a gas 10 of 13 What is the cubic shape of salts called? Giant Ionic Lattice 11 of 13 What is the flame colour of KCl? Lilac 12 of 13 Which is the correct chemical formula for sodium chloride? NaCl 13 of 13
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