What particles move around the nucleus of an atom and are negatively charged? (1) Electrons (2) Protons (3) Positrons (4) Neutrons Answer : Electrons...
X–rays are (1) positively charged particles (2) negatively charged particles (3) neutral particles (4) None of these Answer : neutral particles...
The chemical bahaviour of an atom depends upon (1) the number of protons in its nucleus (2) the number of neutrons in the nucleus (3) the number of electrons orbiting around the nucleus (4) the number of nucleons in the nucleus Answer : the number of electrons orbiting around the nucleus...
What name is given to the visible light emitted when charged particles pass through a transparent medium with a velocity exceeding the velocity of light in the medium? Answer : ANSWER: CERENKOV RADIATION...
A high voltage applied to a gas discharge tube containing neon gas at very low pressure causes a current to flow through the tube. Which one of the following are the particles that flow towards the ... Are they w) electrons x) protons y) negatively charged neon ions z) positively charged neon ions Answer : ANSWER: Z -- POSITIVELY CHARGED NEON IONS...
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