1) What is the purpose of Universal Indicator? a) To determine whether something is solible or insoluble b) To make the solution a nice colour c) To determine whether something is an acid, alkali or neutral d) To determine whether something is a proton, neutron or electron 2) What is a covalent bond? a) When neutron and electrons bond b) A shared pair of electrons c) When two atoms collide together d) A bond between two metals 3) What is the relative atomic mass? a) It is the number of electrons in an atom b) It is elements with the same number of protons but different number of neutrons. Hence creating a heavier mass. c) It is an atom with a heavier mass than usual. d) It is the average mass of the atoms in an element compared to the mass of one atom of carbon.

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