Question

A neutron causes 22688Ra88226Ra to change according to the following reaction: 10n+22688Ra?AZX+?01n+88226Ra?ZAX+? The AZXZAX nucleus subsequently...

A neutron causes 22688Ra88226Ra to change according to the following reaction: 10n+22688Ra?AZX+?01n+88226Ra?ZAX+?
The AZXZAX nucleus subsequently undergoes ???? decay, and its daughter does too. What is the atomic number of the final nucleus?

Homework Answers

Answer #1

given

1n0 + 226Ra88  AXZ +

Here A = 226+1 = 227 and Z = 0 + 88 = 88 [ is massless and chargeless]

Now AXZ or 227X88 undergoes - decay to form Y

227X88   ? 227Y89 + 0e-1 + 0v0

0v0 is a anti-nutrino.

Now  daughter nuclei 227Y89  undergoes - decay to form Y'

227Y89 227Y'90 + 0e-1 + 0v0

Atomic number of final nuclei Y' = 90

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