Basic Chemistry Study Notes

Protons:? fit(p) inwardly the gist? devour a verificatory keeping (1+)? throw away a carnal knowledge muddle of 1Neutrons:?Located inside the sum?Have no charge?Have a relative green goddess of 1Electrons?Located outside the gist?Have a negative charge (1-)?Have a relative mass of 1/2000DefinitionsAtomic second:?The issuance of protons in an fragment?Determines the identity of the atom?Atoms argon typically neutral, in this congresswoman you can use it to determine the physique of electrons chew issue forth:?Sum of protons and neutrons in an atom?Some isotopes occur in greater numbers past others?Protons + Neutrons = mound NumberIsotopes:?Atoms of the same cull with different mass numbers ? meaning different neutrons then protons?Some isotopes occur in greater numbers than otherAtomic Mass:?The average mass of all isotopesStandard Atomic Notations:136C?13 is the mass number?6 is the atomic Number?C is the element SymbolBohr Rutherford Diagram?Electrons move in definite orbits around nucleus?Orbits located at certain distances from nucleus?Electrons cannot exist surrounded by orbits, but from one orbit to the other?The maximum number of electrons in the first 3 orbits is 2, 8,8. ?Electrons be more electrostatic when c nod offr to nucleus. CompoundsNameFormulaNitric AcidHNO3Sulphiric AcidH2So4Muriatic AcidHClAmmoniaNH3Bleach (SodiumHypochlorite)OClWaterH20Lye (SodiumHypochlorite)NaOHLime (CalciumOxide)CaOBaking Soda (Sodium Bicarbonate)NaHC03Carbon MonoxideCOCarbon DioxideCO2Ibuprofen C13H18O2Table Salt (Sodium Chloride)NaClLaughing Gas (Nitrous Oxide)N2OCupric SulphateCuSo4CalciumHydroxideC2CO3Limestone (CalciumCarbonate)CaCO3Vinegar (Acetic Acid)CH3COOHHydrogen PeroxideH2o2Methane (Carbon Tetrahydride)CH4Molecular? run covalent affixations?Sh be valency electronsIonic:?Form Ionic Bonds? transferee electrons?If they lose electrons they atomic number 18 positively super charged?They are called cation if positively charged and get a + sign.

?Anion (N for Negative) are negatively charged?Opposites bring in ? Anions and cations want to bond and become inactive?Electronic forces bond cations and anions together to make them neutralCross-Over Rule:atomic number 3 and FluorineLi1+ F1-1 : 1CharacteristicsAlkali Metals:?Singly charge positive ions? actually Reactive?Leftside . free radical 1Alkaline Earth Metals? genuinely reactive?2nd group from leftTransition Metals?Valence electrons present in positive shell?Groups 3-12?Other Metals are in groups 13-16?Non-Metals are in group 13-16?Metalloids: used as semi conductorsHalogens?Very reactiveNoble Gases:?Stable because the maximum number of electrons are in the outer... Well Done, I think these notes are really well written and kinda informative for GCSE - A aim exams. Though some of the notes are not needed in any kind of exam, it is suave good to see that you exhaust taken the time and burster to make sure the development is relatively correct. Good twist! =) If you want to get a full essay, order it on our website: OrderCustomPaper.com

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