From Atoms to Materials

Checkpoint 13.5C 1. Circle T for a true statement and F for a false one. (a) Alloys are made of only two types of metals. T / F (b) Solder is an alloy. T / F (c) The properties of an alloy are different from those of its constituent elements. T / F 2. Some alloys are listed below. Match the alloys with their constituent elements. The first one has been done for you. Alloy Constituent elements (a) brass A. copper, zinc (b) stainless steel B. gold, silver, copper (c) bronze C. iron, carbon, nickel, chromium (d) duralumin D. aluminium, copper, magnesium, manganese (e) carat gold E. copper, tin (a) A (d) (b) (e) (c) 3. For each alloy in Q2, state one application. (a) (b) (c) (d) (e) An alloy is a uniform mixture of a metal together with one or more elements. It has improved properties over its constituent elements. 79 13 From Atoms to Materials © 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