elements compounds and chemical changes 1.0 / 5 based on 1 rating ? Chemistryelements compounds and chemical changesNational 5SQA Created by: nmaling13Created on: 15-01-14 10:08 what kind of element is conductive for electricity metals 1 of 17 what always happens when chemicals react a new substance is formed 2 of 17 what is different about compounds and the elements they are made of they will have different properties like higher boiling points or can bend easier 3 of 17 all compounds ca be identified by a a formula like ZnC what would be in this compound zinc carbonide 4 of 17 what small particles is the entire universe made of atoms but all elements are made of a different kind of atom 5 of 17 how many elements are there in the periodic table? there are 114 elements but there is an element number 116 but 115 and 113 have been missed out 6 of 17 what element has the symbol Gd? Gadolinium 7 of 17 which two elements are liquids at room temperature? mercury and bromine 8 of 17 what is a good way to test if an element is a metal or not is if it is conductive. what non metal is also conductive carbon in graphite form 9 of 17 magnetism is not a good way to test if something is a metal or not. what metal is always magnetic but most of the others arent Iron 10 of 17 what table displays all of the elements? the periodic table 11 of 17 what is sulfur and what spelling does it have? sulfur is a non metal solid that smells like eggs and is a powdery substance. the spelling was changed from sulphur to sulfur. 12 of 17 what is oxygen? oxygen is a gas that is completely transparent and some of the air we breathe consists of it 13 of 17 how is a compound made a chemical reaction. 14 of 17 what are the obvious signs of a chemical reaction? bubbling, energy change, colour change, a precipitate forms, explosion and something new is formed. 15 of 17 when are compounds allowed to have ATE instead of IDE on the end if their name? when there is oxygen in the compound. 16 of 17 what is a good way to split several compounds? using an electrical circuit with electrodes. 17 of 17
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