Electrons
Trending Questions
Q. If protons and electrons have opposite charges why don't they attract each other?
Q.
__
Formation of anode rays led to the discovery of...............
Q.
Write a brief description about the discovery of electrons.
Q.
Goldstein discovered
Proton
Neutron
Electron
Meson
Q. Who is the scientist ho first measured the e/m ratio of electron?
Q. The mass number is the sum of number of protons and neutrons present in the nucleus of an atom.
- True
- False
Q.
Use Bohr’s atomic model and Bohr-Bury scheme to complete the following table.
Valence shell | Number of electrons in the valence shell | Total electrons in the atom |
L | 2 | |
15 |
Q. Cathode ray tube experiment led to the discovery of .
- electrons
- protons
- neutrons
Q. Why electrons revolve around atoms? and what is charge produced by it?
Q.
The mass of an electron is negligible when compared to a proton.
True
False
Q. Cathode ray tube experiment led to the discovery of .
- neutrons
- electrons
- protons
Q. Which of the following arrangement of electrons do not represent Bohr’s model of an atom correctly?
- \( \therefore \)
- 9
- 9
- \( 0^{\circ} \)
Q. Cathode ray tube experiment led to the discovery of .
- electrons
- neutrons
- protons
Q.
Who discovered the electron?
- Rutherford
- Chadwick
- Thomson
- Goldstein
Q. if the charges of proton and electrons in an atom were switched to negative and positive charge respectively, would the atoms stability be affected?justify the reason.
Q. Cathode ray tube experiment led to the discovery of .
- electrons
- protons
- neutrons
Q. Cathode ray tube experiment led to the discovery of .
- electrons
- neutrons
- protons
Q. Cathode ray tube experiment led to the discovery of .
- protons
- neutrons
- electrons