2274733
Descrição
Quiz por ainearrigan, atualizado more than 1 year ago
|
|
Criado por ainearrigan
aproximadamente 9 anos atrás
|
|
Questão 1
Questão
John Daltons 1808 atomic theories. Tick the correct answers.
Responda
-
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
Questão 2
Questão
William Cooke's cathode ray tube proved the existence of
Responda
-
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
Questão 3
Questão
J.J. Thomson proved the existence of electrons by
Responda
-
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
Questão 4
Questão
Name the scientist that measured the charge of the electron
Responda
-
Dalton
-
Einstein
-
Millikan
-
Rutherford
Questão 5
Questão
Thomson believed that the atom was made up like
Responda
-
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
Questão 6
Questão
The results of Rutherford's experiment
Responda
-
Atoms were indivisible
-
Atoms were composed of mainly negative spheres
-
Atoms were composed of mainly empty space
Questão 7
Questão
Chadwick is known for the discovery of
Responda
-
the neutron
-
the alpha particle
-
the proton
Questão 8
Questão
Errors that occurred when Johann Dobereiner tried to organise the known elements into triads
Responda
-
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
Questão 9
Questão
The anode is the
Responda
-
positively charged electrode
-
negatively charged electrode
Questão 10
Questão
A mass spectrometer can be used to measure
Responda
-
measure the wavelength of light
-
measure the mass and abundance of isotopes
-
measure the size of the magnetic field
Quer criar seus próprios Quizzes gratuitos com a GoConqr? Saiba mais.