Decaying and bombarding rules ...

Casmira · 2 Mar 2005, 3:58 PM

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I seem to have this a little rusty on my mind ...

Does anyone have like a table that shows what happends when you bombard with nuetrons, electrons and helium, the result (what happends to the element)

and what happends too the decay of alpha, beta and gamma

I do know the decay and that but I want to be sure ..

theChemCoach · 2 Mar 2005, 5:16 PM

G'day,

These two questions are actually very good ones!.

There is no real 'standard or common' way to predict what happens when you bombard elements with particles, i.e. what type of products will result.

However, there is what is called the 'Natural Radioactive Series', which illustrated the natural path of decay for most elements, check it our below:
http://hyperphysics.phy-astr.gsu.edu...ar/radser.html

In regards to your other question, "what happens to the decay species"...you can answer this yourself, just study the 'ionising ability' of each decay species (alpha, beta and gamma) to see what they do once they are produced.

Cheers,
George

Casmira · 2 Mar 2005, 8:14 PM

Thanks for that george, but are we required too know what happends if you bombard elements with subatomic particles or helium nuclei?

ie. will they ask if I bombard Uranium with nuetrons, whats it going to do (I know what its going to do, but thats from memorising the equations) - they might pull out some random transuranic element and say how was this made ... understand where im going at?

theChemCoach · 2 Mar 2005, 9:16 PM

no you wont need to know that, even at university level, you wouldnt be expected to know that.

What they would test you on, which i'm sure you've seen before, is setting up the reaction, and ask you to 'fill in' the 'missing' species. Which is just balancing up the atomic numbers and respective masses.

Otherwise, its great to here you actually have learnt the reaction, it will be VERY useful to include it as an example in relevent questions.

Casmira · 3 Mar 2005, 6:38 AM

Ah! and here I am worrying about it ... well I guess that helps me in alot of ways, thanks george

2 Mar 2005, 3:58 PM	#1 (permalink)
Casmira ~ HSC: 2005 Gender: Male Location: Sydney Join Date: Nov 2004 Posts: 3,715 Last Activity: 19 Nov 2009, 8:54 PM	Decaying and bombarding rules ... You can hide this advertisement by registering. I seem to have this a little rusty on my mind ... Does anyone have like a table that shows what happends when you bombard with nuetrons, electrons and helium, the result (what happends to the element) and what happends too the decay of alpha, beta and gamma I do know the decay and that but I want to be sure .. __________________ B Commerce (Business Law/Finance) @ UNSW (4th year) B Medical Science @ UNSW/USYD/MACQ/GONG?? 2010

2 Mar 2005, 5:16 PM	#2 (permalink)
theChemCoach chem extraordinaire HSC: N/A Gender: Male Location: Sydney City Join Date: Oct 2004 Posts: 184 Last Activity: 18 Jul 2006, 4:26 PM	G'day, These two questions are actually very good ones!. There is no real 'standard or common' way to predict what happens when you bombard elements with particles, i.e. what type of products will result. However, there is what is called the 'Natural Radioactive Series', which illustrated the natural path of decay for most elements, check it our below: http://hyperphysics.phy-astr.gsu.edu...ar/radser.html In regards to your other question, "what happens to the decay species"...you can answer this yourself, just study the 'ionising ability' of each decay species (alpha, beta and gamma) to see what they do once they are produced. Cheers, George Last edited by theChemCoach; 2 Mar 2005 at 7:34 PM.

2 Mar 2005, 8:14 PM	#3 (permalink)
Casmira ~ HSC: 2005 Gender: Male Location: Sydney Join Date: Nov 2004 Posts: 3,715 Last Activity: 19 Nov 2009, 8:54 PM	Thanks for that george, but are we required too know what happends if you bombard elements with subatomic particles or helium nuclei? ie. will they ask if I bombard Uranium with nuetrons, whats it going to do (I know what its going to do, but thats from memorising the equations) - they might pull out some random transuranic element and say how was this made ... understand where im going at? __________________ B Commerce (Business Law/Finance) @ UNSW (4th year) B Medical Science @ UNSW/USYD/MACQ/GONG?? 2010 Last edited by Casmira; 2 Mar 2005 at 8:18 PM.

2 Mar 2005, 9:16 PM	#4 (permalink)
theChemCoach chem extraordinaire HSC: N/A Gender: Male Location: Sydney City Join Date: Oct 2004 Posts: 184 Last Activity: 18 Jul 2006, 4:26 PM	no you wont need to know that, even at university level, you wouldnt be expected to know that. What they would test you on, which i'm sure you've seen before, is setting up the reaction, and ask you to 'fill in' the 'missing' species. Which is just balancing up the atomic numbers and respective masses. Otherwise, its great to here you actually have learnt the reaction, it will be VERY useful to include it as an example in relevent questions. __________________ . HSC CHEMISTRY www.chemistrycoach.com.au

3 Mar 2005, 6:38 AM	#5 (permalink)
Casmira ~ HSC: 2005 Gender: Male Location: Sydney Join Date: Nov 2004 Posts: 3,715 Last Activity: 19 Nov 2009, 8:54 PM	Ah! and here I am worrying about it ... well I guess that helps me in alot of ways, thanks george __________________ B Commerce (Business Law/Finance) @ UNSW (4th year) B Medical Science @ UNSW/USYD/MACQ/GONG?? 2010

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