Chemistry 0.0 / 5 ? ChemistryGCSEAQA Created by: HelenaCreated on: 03-05-13 22:50 What forms when hydrogen ions and metal ions lose electrons? Positive ions 1 of 10 What does an acid react with to produce a salt? A base 2 of 10 During electrolysis of sodium chloride, what is produced at the positive electrode? Chlorine 3 of 10 What do covalent bonds occur between? Non-metals 4 of 10 What sort of ions do alkalis release in solution? Hydroxide 5 of 10 Sodium hydroxide and hydrochloric acid react to form which salt? Sodium chloride 6 of 10 The full chemical symbol of an atom shows its mass number and its.... Atomic number 7 of 10 What do we call atoms that have lost or gained electrons to form charged particles? Ions 8 of 10 What do we call the minimum amount of energy needed for a successful collision? Activation energy 9 of 10 What is a shared pair of electrons between two atoms known as? A covalent bond 10 of 10
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