9-1 QUESTIONS WITH ANSWERS
RATED A+ SURE PASS !!!
atome-eCORRECTeANSWERSesmallesteparticleeofeaneelement
protone-eCORRECTeANSWERSe-epositivelyechargedeparticle
-ehaseaemasseofe1eandeaechargeeofe+1e
-efoundeinetheenucleuseofetheeatom.
neutrone-eCORRECTeANSWERSe-ehasenoecharge(neutral)eandeaemasseofe1.e
-efoundeinetheenucleuseofeaneatom
electrone-eCORRECTeANSWERSe-eaenegativelyechargedeparticle
-ehaseaemasse1/2000
-efoundeineenergyelevelsewhichesurroundetheenucleus.
atomicenumbere-eCORRECTeANSWERSetheenumbereofeprotonseandeelectrons
atomicemasse-eCORRECTeANSWERSetheetotalenumbereofeprotonseandeneutrons
isotopese-
eCORRECTeANSWERSeatomseofetheesameeelementewhichehaveetheesameeatomicenumber,ebuteaediff
erentenumbereatomicemass,ebecauseetheyehaveeaedifferentenumbereofeneutrons.-
ehaveedifferenteatomicemasses
formulaeforerelativeeatomicemasse-eCORRECTeANSWERSe(Mrexeabundance)+(Mrexeabundance)/e100
, periodenumbere-eCORRECTeANSWERSetellseyouetheenumbereofeelectroneshells
groupenumbere-eCORRECTeANSWERSetellseyouetheenumbereofeelectrons,einetheeoutereelectroneshell
PropertieseofeMendeleev'seperiodicetablee-eCORRECTeANSWERSe-
eorderedeineincreasingeatomicemass
-earrangedeelementseintoegroupseofesimilareproperties
-eleftegapsetoepredictepropertieseelementseyetetoebeediscovered
-eonlyehade63eelements
moderneperiodicetablee-eCORRECTeANSWERSe-eorderedebyeincreasingeatomicenumber
-ehaseovereae100eelements
-ecategorisedeintoegroupsewhicheindicateetheenumbereofeelectronseinetheeoutereshell
groupe1e-eCORRECTeANSWERSealkaliemetals
groupe2e-eCORRECTeANSWERSealkalieearthemetals
groupe3e-eCORRECTeANSWERSetransitionemetals
groupe7e-eCORRECTeANSWERSehalogens
groupe10e-eCORRECTeANSWERSenobleegases
electroneconfiguratione-eCORRECTeANSWERSe2,8,8..