From Atoms to Materials

Chapter Review Concept diagram The uses of different plastics depend on their particular properties. This is an example of form and function . New models of the atoms were proposed one after another, when new evidence became available. Unifying concepts Materials compounds elements mixtures subatomic particles pure substances Periodic Table Atoms are made up of basic units called of different types may combine to form of the same type belong to are organized to form including metals, non-metals and semi-metals e.g. water, carbon dioxide Scientists tried many ways to organize the elements systematically. This is an example of organization . can be mixed to become Chapter Review 13 From Atoms to Materials 105 © United Prime Educational Publishing (HK) Limited 2024 All rights reserved; no part of this publication may be reproduced, photocopied, recorded or otherwise, without the prior written permission of the Publisher. Sample