WorksheetsAtomic Structure part 1
Total questions: 20
Worksheet time: 5mins
Which Greek philosopher gave the concept of 'Atomos'?
Plato
Aristotle
Democritus
Pythagoras
What is the charge on an electron?
Negative
Positive
Both positive and negative
No charge
Who discovered electrons?
Dalton
J.J.Thomson
Rutherford
Becquerel
What is the mass of one electron?
1.6 x 10-19 Kg
9.1 x 10-31 Kg
6.02 x 1023 Kg
None of them
Which is the lightest fundamental particle?
Electron
Neutron
Proton
None of them
Which of the following is a postulate from Dalton's Atomic Theory?
All elements are made up of atoms
Atoms of an element are identical
Atoms combine in whole number ratio to form compounds
A chemical reaction is the rearrangement of atoms
All options are correct
Which of the following is negatively charged?
Electrode
Cathode
Anode
molecule
The inner side of the discharge tube is coated with ?
Hydrogen sulphide
Zinc Chloride
Can't be coated
Zinc Sulphide
Which of the following is positively charged?
Anode
Cathoode
Electrode
None of them
All atoms are ______?
negatively charged
positively charged
electrically neutral
All other options are correct
Which of the following travel from cathode to anode?
Positive Rays
Cathode Rays
Canal Rays
Protons
Which two subatomic particles are in the nucleus?
Neutrons and Electrons
Protons and Electrons
Protons and Neutrons
None of them
Which is NOT the part of an atom?
Neurons
Electron
Protons
Neutrons
In which way the protons and electrons are same?
Same mass
Same Charge
Same Size
Same Location
The charge to mass ratio of electron is ________ that of positive rays.
smaller than
same as
greater than
None of them is true
Who changed the term 'Atomos' to 'Atom'?
Democritus
John Dalton
J.J.Thomon
James Chadwick
Which is the odd one?
Dalton
Democritu
Plato
Aristotle
Which of the energy is possessed by the cathode rays?
Potential Energy
Light Energy
Kinetic Energy
Wind Energy
Which i not related with the Discharge Tube Experiment?
Dalton
Anode
Vacuum pump
W.Crookes
Geissler
The picture is related with the discovery of ?
Protons
Positive ray
Neutrons
Cathode rays
