Chemistry 0.0 / 5 ? ChemistryWater hardness and solubilityGCSEAQA Created by: Jessica8Created on: 26-02-17 18:05 what are all substances made of? atoms 1 of 11 an ____ is the smallest part of an ________. what are the missing words atom and electron 2 of 11 what is a nucleus? a tiny ball 3 of 11 what is the nucleus made of? from protons and neutrons 4 of 11 protons relative mass is what? 1 5 of 11 protons relative charge is what? +1 6 of 11 electrons relative mass is what? often 0 7 of 11 electrons relative charge is what? -1 8 of 11 neutrons relative mass is what? 1 9 of 11 neutrons relative charges is what? 0 10 of 11 what are shells also known as? energy levels 11 of 11
Comments
No comments have yet been made