A neutron causes Ra to change according to the following reaction. n + Ra X + (a

Question

A neutron causes

Ra to change according to the following reaction.

n +

Ra

X + (a) Identify the unknown nucleus

X, giving its atomic mass number A, its atomic number Z, and the symbol X for the element.

(b) The

X nucleus subsequently undergoes - decay, and its daughter does too. Identify the final nucleus, giving its atomic mass number, atomic number, and symbol.

symbol

There are so many spaces because of when I pasted it into here it has trouble with the way everything was set up, I tried to put it all together but wasn't able to.

Explanation / Answer

226 Ra 88 + 1 n 0 -----> 227 Ra 88

part a )

Atomic mass number = 227

Atomic number = 88

symbol = Ra

part b )

227 Ra 88 ---- > 227 Ac 87 + 0 B 1

atomic mass number = 227

atomic number = 87

symbol = Ac

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