Atomic history

Description

Quiz on Atomic history , created by ainearrigan on 14/03/2015.
ainearrigan
Quiz by ainearrigan, updated more than 1 year ago
ainearrigan
Created by ainearrigan over 9 years ago
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Resource summary

Question 1

Question
John Daltons 1808 atomic theories. Tick the correct answers.
Answer
  • All matter is made up of small identical particles
  • There were only 4 elements
  • particles named atoms could be broken into smaller particles
  • mass could be created

Question 2

Question
William Cooke's cathode ray tube proved the existence of
Answer
  • that charged particles were being emitted by the possitive cathode ray
  • that charged particles were being emitted by the negative cathode ray
  • that atoms were indivisible

Question 3

Question
J.J. Thomson proved the existence of electrons by
Answer
  • placing a negative plate near the cathode ray tube
  • seeing the deflection of the rays when a positive plate was placed near the cathode ray tube
  • the colour of the ray changed
  • he did not prove the existence of electrons

Question 4

Question
Name the scientist that measured the charge of the electron
Answer
  • Dalton
  • Einstein
  • Millikan
  • Rutherford

Question 5

Question
Thomson believed that the atom was made up like
Answer
  • a cheesecake - a layer of a positive charged and a layer of negatively charged
  • a wheel on a car - positive center with a negative spherical rim
  • a plum pudding - a mainly positive sphere with negatively charged electrons embedded in it

Question 6

Question
The results of Rutherford's experiment
Answer
  • Atoms were indivisible
  • Atoms were composed of mainly negative spheres
  • Atoms were composed of mainly empty space

Question 7

Question
Chadwick is known for the discovery of
Answer
  • the neutron
  • the alpha particle
  • the proton

Question 8

Question
Errors that occurred when Johann Dobereiner tried to organise the known elements into triads
Answer
  • they didnt know there atomic weights
  • There wasnt enough known about the properties of the elements
  • Only a few elements could be organised in this way

Question 9

Question
The anode is the
Answer
  • positively charged electrode
  • negatively charged electrode

Question 10

Question
A mass spectrometer can be used to measure
Answer
  • measure the wavelength of light
  • measure the mass and abundance of isotopes
  • measure the size of the magnetic field
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