AS Chem - Periodic Table 0.0 / 5 ? ChemistryThe Periodic TableASOCR Created by: ambermeganjonesCreated on: 21-04-16 23:04 Define an element A substance containing only one type of atom 1 of 8 Define a compound More than one type of atom chemically bonded (with ionic or covalent bonds) e.g. FeSO4 2 of 8 Define a mixture Two or more substances mixed that are not chemically bonded together. e.g. sodium chloride (NaCl) in water (H2O) 3 of 8 Define a molecule A small number of atoms held together with covalent bonds. e.g. O2 or CO2 4 of 8 Define a particle A general term used to describe any small portion of matter (e.g. atom, molecule etc.). 5 of 8 Define an atom The smallest component of an element. e.g. Fe, Br, Ag 6 of 8 How are the elements arranged? By increasing atomic (proton) number 7 of 8 Explain why elements in the same group have similar chemical properties Elements in the same group have the same number of outer shell electrons only outer shell electrons participate in chemical bonding 8 of 8
Comments
No comments have yet been made