Discovery of electrons, protons, and neutrons

Assessment

Discovery of electrons, protons, and neutrons

ninja coder

Chemistry

Grade10

10 Plays

100 Participants

Worksheet

10 Qs

1.
Multiple Choice
1 pts•30 s
Identify the scientist who discovered the electron.
Answer choices
Ernest Rutherford
J.J. Thomson
James Chadwick
Niels Bohr
2.
Multiple Choice
1 pts•30 s
Explain the experiment used to discover the electron.
Answer choices
Gold foil experiment
Cathode ray tube experiment
Oil drop experiment
Neutron scattering experiment
3.
Multiple Choice
1 pts•30 s
Describe who discovered the proton.
Answer choices
J.J. Thomson
Ernest Rutherford
James Chadwick
Robert Millikan
4.
Multiple Choice
1 pts•30 s
Name the experiment that led to the discovery of the proton.
Answer choices
Cathode ray experiment
Gold foil scattering experiment
Neutron bombardment
X-ray diffraction
5.
Multiple Choice
1 pts•30 s
Clarify who discovered the neutron.
Answer choices
Ernest Rutherford
J.J. Thomson
James Chadwick
Niels Bohr
6.
Multiple Choice
1 pts•30 s
Point out the year in which the electron was discovered.
Answer choices
1897
1911
1932
1905
7.
Multiple Choice
1 pts•30 s
Indicate the charge of the particle discovered by J.J. Thomson.
Answer choices
Positive
Negative
Neutral
Variable
8.
Multiple Choice
1 pts•30 s
State the significance of the gold foil experiment in the discovery of the proton.
Answer choices
It showed the existence of electrons
It revealed a dense, positively charged nucleus
It identified neutral particles
It measured the charge of neutrons
9.
Multiple Choice
1 pts•30 s
Describe the method used by James Chadwick to discover the neutron.
Answer choices
Cathode ray deflection
Bombardment of beryllium with alpha particles
Gold foil scattering
Oil drop experiment
10.
Multiple Choice
1 pts•30 s
Explain why the neutron was discovered later than the electron and proton.
Answer choices
It has a negative charge
It is neutral and harder to detect
It is located outside the nucleus
It has a larger mass than the proton