PERIODICITY 3.5 / 5 based on 6 ratings ? ChemistryThe Periodic TableA2/A-levelAQA Created by: HelenCreated on: 11-02-13 15:47 What elements have metallic bonding and a metallic structure? Na, Mg, Al 1 of 24 What element(s) have a giant covalent structure and covalent bonding? Si 2 of 24 What element(s) have a simple molecular structure and van der waals forces? P, S, Cl 3 of 24 What element(s) have a monoatomic structure and van der waals forces? Ar 4 of 24 What element(s) react with water? Sodium, magnesium and chlorine 5 of 24 What is produced when Chlorine reacts with water? HCl and HClO 6 of 24 What is produced when sodium reacts with water? 2NaOH + H2 7 of 24 What is produced when magnesium reacts with water? Mg(OH)2 + H2 8 of 24 What are the oxides? Na2O, MgO, Al2O3, SiO2, P4O10, SO2 9 of 24 What is the bonding of Na2O, MgO and Al2O3? Giant ionic lattice with ionic bonding 10 of 24 What is the bonding and structure of SiO2? Giant covalent structure with covalent bonds. 11 of 24 What is the bonding and structure of P4O10? Simple covalent molecules with strong Van Der Waal's forces 12 of 24 What is the bonding and structure of SO3? Trimer with weak Van Der Waal's forces 13 of 24 What ionic oxides can conduct electricity? Na2O, MgO and Al2O3 when molten, only Na2O when dissolved. 14 of 24 What covalent compounds can conduct electricity? P4O10 and SO2 react with water = acidic. 15 of 24 What is the pH and product of Na2O and water? 2NaOH pH = 14 16 of 24 What is the pH and product of MgO and water? Mg(OH)2 pH = 10 17 of 24 What happens when Al2O3 and SiO2 react with water? Nothing - they are insoluble. 18 of 24 What is the product of P4O10 and water? 4H3PO4 pH = 0 19 of 24 What happens when SO2 reacts with water? H2SO3 pH = 1 20 of 24 What happens when SO3 reacts with water? H2SO4 pH = 0 21 of 24 Which oxides act as bases? Na2O, MgO 22 of 24 What oxides act as acids? SiO2, P4O10, SO2, SO3 23 of 24 Which is amphoteric? Al2O3 24 of 24
Comments
No comments have yet been made