General chemistry beta decay

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There are 3 types of beta decay which are
1. beta emission
2. electron capture
3. positron emission

On destroyer #56 (2009 ed), Q asks for a nuclide 225 TH 90 underwent 3 alpha decays, 4 beta decays and a gamma decay. What is the resulting nucleus?

But question don't indicate what type of beta decay and solution manual considered it as beta emission. Is this true all the time? when they don't mention what type of beta decay, we can simply consider it as beta emission?

 

[qkchen]

There are 3 types of beta decay which are
1. beta emission
2. electron capture
3. positron emission

On destroyer #56 (2009 ed), Q asks for a nuclide 225 TH 90 underwent 3 alpha decays, 4 beta decays and a gamma decay. What is the resulting nucleus?

But question don't indicate what type of beta decay and solution manual considered it as beta emission. Is this true all the time? when they don't mention what type of beta decay, we can simply consider it as beta
emission?

when you hear about "beta decay", it is almost always referring to beta emission unless explicitly stated otherwise.