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Question
A nucleus is \[\ce{^24_11 Na}\] β-radioactive.
Write the equation represent β-decay.
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Solution
\[\ce {^24_11 Na -> ^24_12 Mg + ^0_-1 e}\]
RELATED QUESTIONS
Complete the diagram as given above by drawing the deflection of radioactive radiations in an electric field
Radiations given out from a source when subjected to an electric field in a direction perpendicular to their path are shown below in the diagram. The arrows show the path of the radiation A, B and C. Answer the following questions in terms of A, B and C.
1) Name the radiation B which is unaffected by the electrostatic field.
2) Why does the radiation C deflect more than A?
3) Which among the three causes the least biological damage externally.
4) Name the radiation which is used in carbon dating.
What do you mean by Atomic number
State the penetrating range of α, β and γ radiations.
What kind of change takes place in a nucleus when a β -particle is emitted?
An element P disintegrates by α - -emission and the new element suffers two further disintegrations, both by β -emission, to form an element Q. Explain the fact that P and Q are the isotopes.
Define free electrons.
Name the three main parts of a Cathode Ray Tube.
