Q1 of 63 Page 113

Why are anode rays called so?

Anode rays are called so only because they are emitted from the anode which is the positively charged electrode and the rays contain the positively charged ions.


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6

Identify the isotopic pair(s) out of the following species?

8C16, 6C14, 7N14, 8O18, 7N16

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(i) Name the isotope used as a fuel in nuclear reactors.

(ii) What is the number of sub-atomic particles in this isotope?

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Mention the charge present on the nucleus of an atom.

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How can an α-particle be represented?