chemistry flash cards 0.0 / 5 ? ChemistryAtomsAcids, bases and saltsAtoms and compoundsThe Periodic TableStructure and bondingThe pollutants of combustionWriting balanced equationsGCSEAQA Created by: ella hindsonCreated on: 03-03-17 09:04 what is protons relative charge? +1 1 of 8 what relative charge does electrons have? -1 2 of 8 what is an element? An element is a substance that is made of only one sort of atom 3 of 8 what is the mass number in an atom? The total number of protons and neutrons the atom contains 4 of 8 what is the substance that has a pH of less than 7 acid-if they are yellow then its a weak acid and if its red then its a strong acid 5 of 8 what is the substance that has the pH of more than 7 alkaline-if its a dark green then its a weak alkaline and if its purple then its a strong alkaline 6 of 8 what do you call a substance which has the pH of 7 a neutral solution 7 of 8 what is a base? a substance thta can react with acids and neutralise them to make a salt and water 8 of 8
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