WorksheetsATOMIC STRUCTURE
Total questions: 25
Worksheet time: 51mins
THE IDEA OF SMALLEST UNIT OF MATTER IS FIRST GIVEN BY
DEMOCRITUS
JOHN DALTON
G.J STONEY
MAHARSHI KANNADA
PARAMANU,RATHER COMBINES WITH OTHER PARAMANUS CALLED
2 PARAMANUS
ATOM
ANU
MOLECULE
WHICH OF THE FOLLOWING IS INCORRECT.
MATTER CONSIST OF SMALLEST TINIEST PARTICLES CALLED ATOMS
ATOMS CAN NEITHER BE CREATED NOR BE DESTROYED
ATOMS OF ONE ELEMENT COMBINE WITH ATOMS OF OTHER ELEMENT CALLED MOLECULES
JOHN DALTON PROPOSED HIS THEORY IN 1808
ELECTRIFICATION OF OBJECTS BY RUBBING WITH EACH OTHER IS CALLED
STATIC ELECTRICITY
RADIATION
FRICTIONAL ELECTRICITY
BOTH A,C
THE PROCESS OF RADIOACTIVE DECAY AND HIGH ENERGY NUCLEAR REACTION CAN TRANSFORM ONE ELEMENTARY SUBSTANCE INTO ANOTHER,WHAT IS PROCESS NAME...
RADIATION
RADIEACTIVITY
RADIOACTIVITY
PULVERISATION
THE PHENOMENON DUE TO WHICH CERTAIN ELEMENTS SPONTANEOUSLY EMIT HIGHLY PENETRATING RAYS CALLED..
RADIATION
VISIBLE LIGHT
BOTH 1,2
NONE OF THESE
CATHODE RAY CAUSE WHICH COLOUR FLOURSCENCE ON SODA GLASS PLACED IN TUBE.
GREENISH WHITE
YELLOWISH WHITE
GREENISH YELLOW
NONE OF THESE
WHAT IS PRESSURE IN DISCHARGE TUBE EXPERIMENT
0.01mm
0.001cm
10 POWER -5 metres
ALL OF THESE
ATOMIC MASS OF HELIUM IS
4 AMU
2 AMU
1 AMU
BOTH A,B
IF ELECTRON JUMP FROM K SHELL TO L SHELL THEN=
LOSE ENERGY
GAIN ENERGY
FIRST LOSE ENERGY THEN GAIN ENERGY
DO NOT RADIATE ENERGY
WHICH OF THE FOLLOWING ARE NUCLEONS
ELECTRONS,PROTONS
ELECTRONS,NEUTRONS
PROTONS,NEUTRONS
ALL THE ABOVE
WHICH OF THE FOLLOWING STATEMENT IS INCORRECT
MAXIMUM NUMBER OF ELECTRONS IN N SHELL = 2 NSQUARE
MAXIMUM ELECTRONS IN K SHELL =2
MAXIMUM ELECTRONS IN L SHELL = 8
MAXIMUM NUMBER OF ELECTRONS IN N SHELL =18
WHICH OF THE FOLLOWING ARE CORRECT. [1]=NUMBER OF NEUTRONS = Z-A [2]=NUMBER OF NEUTRONS = A-Z [3]=ELEMENT WITH VALENCY ELECTRONS 1,2,3 ARE ALL METALS [4]=ELEMENTS WITH VALENCY ELECTRONS 4,5,6 ARE ALL GOOD OXIDISING AGENTS.
ONLY 1
ONLY 2
1,2,3
2,3,4
2,4
WHO PROPOSED OCTET THEORY OF VALENCY
ONLY KOSSEL
ONLY LEWIS
KOSSEL AND LEWIS IN 1906
KOSSEL AND LEWIS IN 1916
WHICH OF THE FOLLOWING ARE TRUE
HYDROGEN = 3 ISOTOPES
CARBON = 3 ISOTOPES
POTASSIM = 2 ISOTOPES
ALL THE ABOVE
WHICH OF THE FOLLOWING IS FALSE
VALENCY = CHARGE
VALENCY IS COMBINING CAPACITY OF AN ATOM
VALENCY = NUMBER OF ELECTRON GAINED OR LOSED OR SHARED TO ATTAIN STABILITY
VALENCY = MAGNITUDE OF CHARGE
CHEMICAL,PHYSICAL PROPERTIES BASED ON
MASS,ATOMIC NUMBER
MASS,NUMBER OF NEUTRONS
ELECTRONIC CONFIGURATION,ATOMIC MASS
ELECTRONIC CONFIGURATION,ATOMIC NUMBER
BOILING POINT AND MASS OF ISOTOPE ARE RELATED AS
DIRECTLY PROPORTIONAL
INDIRECTLY PROPORTIONAL
CONSTANT
BURNS WHEN BOILING POINT INCREASES
RADIOISOTOPES ARE
C6[13] , H1[3]
H1[2] , C6[14]
H1[3] , C6[14]
C6[12] , H1[1]
WHICH OF THE FOLLOWING ARE CORRECT. [1]=CoBALT27[60] USED FOR TREATING CANCER. [2]=IODINE53[131] IS USED FOR DETERMINING AGE .[3]=URANIUM93[235] UES AS FUEL IN NUCLEAR REACTORS. [4]=RADIOISOTOPES USED IN INDUSTRY TO DETECT THE LEAKAGE IN UNDERGROUND OIL PIPELINES.
1,4
1,3
2,4
2,3
FRACTIONAL ATOMIS MASS OF C6[12],C6[13],C6[14] IF THERE PERCENTAGE IS 60,20,20 IS
(a)
WHAT IS PERCENTAGE OF CRYOLITE IN HALL-HEROULTS PROCESS
(a)
WHAT IS MASS OF NEUTRON IN GRAMS
10.672
1.676 x 10 POWER -24
1.676 x 10 POWER -21
NONE OF THESE
CHARGE OF PROTON IN COULOMBS IS
-1
-1.602 X 10 POWER -19
1.602 X 10 POWER 19
1.602 X 10 POWER -19
RADIUS OF ELECTRON IS
10 POWER -15 METRES
10 POWER -13 CENTIMETRES
10 POWER -12 MILLIMETRES
ALL OF THESE
