Unit 1 Chem 0.0 / 5 ? ChemistryAcids, bases and saltsAtomsBonding & shapesReactionsNational 5SQA Created by: Amara2Created on: 03-04-19 11:17 Atomic Number is given by the number of protons in an atom of that element 1 of 10 Mass Number the mass number is the number of protons and neutrons added together 2 of 10 Shared Pair of Electrons when two electrons from two elements are shared a covalent bond is formed 3 of 10 Covalent Network giant three-dimensional structures in which all the atoms are covalently bonded to each other 4 of 10 Ion An ion is a changed atom. It can be positive or negative 5 of 10 Ionic bond An ionic bond is formed when positive and negative ions attract each other 6 of 10 Standard Solution Solutions of accurately known concentration 7 of 10 Base Bases are metal oxides, hydroxides, carbonates and ammonia. Soluble bases dissolve in water to form alkaline solutions. 8 of 10 Spectator Ion Ions that do not take part in a reaction 9 of 10 Neutralisation When acid reacts with a base to form water 10 of 10
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