Chemistry P1 revision 5.0 / 5 based on 1 rating ? ScienceChemistryGCSEAQA Created by: Titas BerzinisCreated on: 19-03-18 17:20 Whats the symbol for Carbon dioxide? Co2 1 of 41 Whats the symbol for sulfuric acid? H2SO4 2 of 41 whats the symbol for oxygen? O2 3 of 41 Whats the symbol for hydrogen? H2 4 of 41 Whats the symbol for hydrochloric acid? HCl 5 of 41 Whats the symbol for Nitrogen? N2 6 of 41 Whats the symbol for ammonia? NH3 7 of 41 What are elements? Pure things 8 of 41 What are compounds? 2 or more different things chemically bonded together 9 of 41 What is a mixture? Lots or different things, some chemically bonded some aren't 10 of 41 What is the mass and charge of a proton? mass= 1 charge= +1 11 of 41 What is the mass and charge of a Neutron? mass= 1 charge= 0 12 of 41 What is the mass and charge of a electron? mass= 1/2000 charge= -1 13 of 41 What are the 4 methods of separating mixtures? Distillation, filtration, evaporation, fractional distillation 14 of 41 what groups are noble gases in? group 8/0 15 of 41 what are halogens? they're non metals 16 of 41 what group are halogens in? group 7 17 of 41 what group are alkali metals in? group 1 18 of 41 Are halogens reactive? they're highly reactive 19 of 41 what does the 3 state symbols mean (S , L , G , AG) solid, liguid, gas, aqueous 20 of 41 what is diamond made out of? carbon 21 of 41 describe the structure of a diamond each carbon makes 4 bonds 22 of 41 What is graphite made out of? carbon 23 of 41 describe the structure of graphite each carbon makes 3 bonds 24 of 41 what are the properties of graphite? its soft, conducts electricity, 25 of 41 what are the properties of a diamond it is very hard 26 of 41 How could you measure the volume or mass of an object or reactant? by using a gas syringe, using a scale or balance 27 of 41 what is the equation for concentration? concentration= amount/volume 28 of 41 how can you easily spot the mass number? the mass number is always the bigger no. 29 of 41 what is oxidation? Loss of electrons 30 of 41 what is reduction? gain of electrons 31 of 41 Is the Anode positive electrode or negative? Positive 32 of 41 Is the cathode positive electrode or negative? negative 33 of 41 PH scale (1) is acidic 34 of 41 PH scale (7) is neutral 35 of 41 PH scale (14) is alkali 36 of 41 whats the test for chlorine gas? Bleaches litmus paper 37 of 41 what is the test for oxygen gas? glowing splint relights 38 of 41 what is the test for nitrogen? squeeky pop 39 of 41 what does an endothermic reaction do? it takes heat in (Gets colder) 40 of 41 what does an exothermic reaction do? it gives heat out (gets warmer) 41 of 41
Comments
No comments have yet been made