AQA A-LEVEL CHEMISTRY (NEW SPEC) 1.1
ATOMIC STRUCTURE QUESTIONS WITH RIGHT
ANSWERS .
What,are,nucleons?,,,ANS,-Nucleons,are,protons,and,neutrons,in,the,nucleus.
What,is,the,position,of,protons?,,,ANS,-Nucleus
What,is,the,relative,mass,of,a,proton,,,ANS,-1
What,is,the,relative,charge,of,a,proton?,,,ANS,-+1
What,is,the,position,of,neutrons?,,,ANS,-Nucleus
What,is,the,relative,mass,of,a,neutron?,,,ANS,-1
What,is,the,relative,charge,of,a,neutron?,,,ANS,-0
What,is,the,position,of,electrons?,,,ANS,-Orbitals
What,is,the,relative,mass,of,an,electron?,,,ANS,-1/1800
What,is,the,relative,charge,of,an,electron?,,,ANS,--1
Define,mass,number,,,ANS,-Sum,of,protons,and,neutrons
Define,atomic,number,,,ANS,-The,amount,of,protons,in,the,nucleus
Number,of,neutrons,is,worked,out,by...,,,ANS,-Subtracting,the,atomic,number,from,the,mass,number
, Define,isotopes,,,ANS,-
Atoms,of,the,same,element,with,the,same,number,of,protons,but,a,different,amount,of,neutrons
Isotopes,have,similar,chemical,properties,because...,,,ANS,-they,have,the,same,electron,configuration
Isotopes,have,varying,physical,properties,because...,,,ANS,-they,have,different,masses
Define,ions,,,ANS,-
A,charged,particle,formed,when,an,atom,or,molecule,gains,or,loses,one,or,more,electrons
Define,Relative,Isotopic,Mass,,,ANS,-
The,mass,of,an,atom,of,a,particular,isotope,compared,to,1/12,the,mass,of,an,atom,of,carbon-12
Define,Relative,Atomic,Mass,(Ar),,,ANS,-
The,average,mass,of,an,atom,compared,to,1/12,the,mass,of,an,atom,of,carbon-12
Define,Relative,Molecular,Mass,(Mr),,,ANS,-
The,average,mass,of,a,molecule,compared,to,1/12,the,mass,of,an,atom,of,carbon-12
Mass,Spectrometer:,Why,is,it,kept,in,vacuum,conditions?,,,ANS,-
To,prevents,the,ions,produced,colliding,with,molecules,of,air
Mass,Spectrometer:,What,happens,during,ionisation?,,,ANS,-
The,sample,is,dissolved,in,a,volatile,solvent,and,forced,through,a,fine,,hollow,needle,which,is,connected,t
o,a,positive,terminal,of,a,high,voltage,supply.,The,sample,is,shot,with,an,electron,gun,,which,knocks,off,an,
electron,,producing,positively,charged,ions.
Mass,Spectrometer:,What,happens,during,acceleration?,,,ANS,-
Positive,ions,are,attracted,to,a,negatively,charged,plate,,causing,them,to,accelerate.,Lighter,ions,with,a,hi
gher,charge,move,faster
ATOMIC STRUCTURE QUESTIONS WITH RIGHT
ANSWERS .
What,are,nucleons?,,,ANS,-Nucleons,are,protons,and,neutrons,in,the,nucleus.
What,is,the,position,of,protons?,,,ANS,-Nucleus
What,is,the,relative,mass,of,a,proton,,,ANS,-1
What,is,the,relative,charge,of,a,proton?,,,ANS,-+1
What,is,the,position,of,neutrons?,,,ANS,-Nucleus
What,is,the,relative,mass,of,a,neutron?,,,ANS,-1
What,is,the,relative,charge,of,a,neutron?,,,ANS,-0
What,is,the,position,of,electrons?,,,ANS,-Orbitals
What,is,the,relative,mass,of,an,electron?,,,ANS,-1/1800
What,is,the,relative,charge,of,an,electron?,,,ANS,--1
Define,mass,number,,,ANS,-Sum,of,protons,and,neutrons
Define,atomic,number,,,ANS,-The,amount,of,protons,in,the,nucleus
Number,of,neutrons,is,worked,out,by...,,,ANS,-Subtracting,the,atomic,number,from,the,mass,number
, Define,isotopes,,,ANS,-
Atoms,of,the,same,element,with,the,same,number,of,protons,but,a,different,amount,of,neutrons
Isotopes,have,similar,chemical,properties,because...,,,ANS,-they,have,the,same,electron,configuration
Isotopes,have,varying,physical,properties,because...,,,ANS,-they,have,different,masses
Define,ions,,,ANS,-
A,charged,particle,formed,when,an,atom,or,molecule,gains,or,loses,one,or,more,electrons
Define,Relative,Isotopic,Mass,,,ANS,-
The,mass,of,an,atom,of,a,particular,isotope,compared,to,1/12,the,mass,of,an,atom,of,carbon-12
Define,Relative,Atomic,Mass,(Ar),,,ANS,-
The,average,mass,of,an,atom,compared,to,1/12,the,mass,of,an,atom,of,carbon-12
Define,Relative,Molecular,Mass,(Mr),,,ANS,-
The,average,mass,of,a,molecule,compared,to,1/12,the,mass,of,an,atom,of,carbon-12
Mass,Spectrometer:,Why,is,it,kept,in,vacuum,conditions?,,,ANS,-
To,prevents,the,ions,produced,colliding,with,molecules,of,air
Mass,Spectrometer:,What,happens,during,ionisation?,,,ANS,-
The,sample,is,dissolved,in,a,volatile,solvent,and,forced,through,a,fine,,hollow,needle,which,is,connected,t
o,a,positive,terminal,of,a,high,voltage,supply.,The,sample,is,shot,with,an,electron,gun,,which,knocks,off,an,
electron,,producing,positively,charged,ions.
Mass,Spectrometer:,What,happens,during,acceleration?,,,ANS,-
Positive,ions,are,attracted,to,a,negatively,charged,plate,,causing,them,to,accelerate.,Lighter,ions,with,a,hi
gher,charge,move,faster
