I don't get it, how did it get oxygen - 18? Thank you.
Zokunu Member Joined May 18, 2012 Messages 239 Location Sydney Gender Male HSC 2014 Feb 2, 2014 #1 I don't get it, how did it get oxygen - 18? Thank you.
strawberrye Premium Member Joined Aug 23, 2012 Messages 3,292 Location Sydney Gender Female HSC 2013 Uni Grad 2018 Feb 2, 2014 #2 Maybe if you showed us the first part of the question it would provide more clues? i.e. what was part a) of the question about?
Maybe if you showed us the first part of the question it would provide more clues? i.e. what was part a) of the question about?
Zokunu Member Joined May 18, 2012 Messages 239 Location Sydney Gender Male HSC 2014 Feb 2, 2014 #3 strawberrye said: Maybe if you showed us the first part of the question it would provide more clues? i.e. what was part a) of the question about? Click to expand... 27 a) Give a reason why some nuclei are unstable. ANS: proton to neutron ratio is too high or too low or the atom is too heavy (Z> 83) What do you think?
strawberrye said: Maybe if you showed us the first part of the question it would provide more clues? i.e. what was part a) of the question about? Click to expand... 27 a) Give a reason why some nuclei are unstable. ANS: proton to neutron ratio is too high or too low or the atom is too heavy (Z> 83) What do you think?
someth1ng Retired Nov '14 Joined Sep 18, 2010 Messages 5,558 Location Adelaide, Australia Gender Male HSC 2012 Uni Grad 2021 Feb 3, 2014 #4 Zokunu said: 27 a) Give a reason why some nuclei are unstable. ANS: proton to neutron ratio is too high or too low or the atom is too heavy (Z> 83) What do you think? Click to expand... The mass, itself, means nothing - it's the number of protons (too many).
Zokunu said: 27 a) Give a reason why some nuclei are unstable. ANS: proton to neutron ratio is too high or too low or the atom is too heavy (Z> 83) What do you think? Click to expand... The mass, itself, means nothing - it's the number of protons (too many).
someth1ng Retired Nov '14 Joined Sep 18, 2010 Messages 5,558 Location Adelaide, Australia Gender Male HSC 2012 Uni Grad 2021 Feb 3, 2014 #5 Zokunu said: View attachment 29918 I don't get it, how did it get oxygen - 18? Thank you. Click to expand... Basically, they make the molecule using oxygen-18 rather than oxygen-16 so basically, it starts off with oxygen-18 rather than oxygen-16.
Zokunu said: View attachment 29918 I don't get it, how did it get oxygen - 18? Thank you. Click to expand... Basically, they make the molecule using oxygen-18 rather than oxygen-16 so basically, it starts off with oxygen-18 rather than oxygen-16.