Advertisements
Advertisements
प्रश्न
The subatomic particle called electron was discovered by :
पर्याय
J.J. Thomson
Neils Bohr
James Chadwick
E. Goldstein
Advertisements
उत्तर
J.J. Thompson
J.J. Thompson discovered electrons by conducting a cathode-ray experiment.
APPEARS IN
संबंधित प्रश्न
The atom of an element X has 7 electrons in its M shell.
What type of ion will be formed by an atom of element X? Write the symbol of the ion formed.
What could element X be?
What is the nature of the charge on Cathode rays .
What is the term defined below?
A bond formed by a shared pair of electrons, each bonding atom contributing one electron to the pair.
Give a simple diagram to show the arrangement of the electrons in an atom of sulphur.
Give a reason why noble gases have a stable electronic configuration.
Differentiate between the following term:
Electron and proton
Atoms of all metals will have ______ electrons in their outermost orbit.
Anode rays travel in straight lines.
Helium has two electrons in the outermost orbit and so it is chemically inert.
When an atom gains an electron it has more electrons and thus it carries a positive charge.
