Chemistry - Atoms, Elements and Compounds 2.0 / 5 based on 1 rating ? ChemistryAtoms and compoundsIGCSECIE Created by: AnganaCreated on: 29-03-13 01:24 Define "Element" An element contains only one kind of atom. 1 of 5 Define "Compound" A compound contains atoms of different elements joined together. Atoms are chemically combined. 2 of 5 How do you identify an atom? By the number of protons in it. 3 of 5 Define "Isotope" Isotopes are atoms of the same element with different numbers of neutrons. 4 of 5 Uses of radioisotopes 1. To check for leaks. 2. In Cancer treatment 3. To find the age of old remains. 5 of 5
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