radioactivity, Chemistry

Assignment Help:
,Potassium-42 is a radioisotope that nutritionists use to determine whether the body is effectively using potassium at the cellular level. The half-life of potassium-42 is 12.4 hours. Assuming that a patient’s cells assimilate all the potassium chloride tagged with potassium-42, approximately what percentage of the dose remains in 2.1 days? __________ .

Related Discussions:- radioactivity

Bohr''s model can explain, Bohr's model can explain : (1) The spectrum o...

Bohr's model can explain : (1) The spectrum of hydrogen atom only    (2) Spectrum of atom or ion containing one electron only  (3) The spectrum of hydrogen molecule  (4

Sephadex, what are the swelling properties of sephadex (all of them, ie. G-...

what are the swelling properties of sephadex (all of them, ie. G-10,G-15,G-25,G-75,G-100,G-150,G-200)? How much do they each swell and in which conditions? Thank you

The number of orbitals in 2p sub-shell is, The number of orbitals in 2p  s...

The number of orbitals in 2p  sub-shell is : (1) 6        (2) 2        (3) 3        (4) 4 Ans: 3

Ion mobility, Ion mobility: Ion mobility is related to molar conducti...

Ion mobility: Ion mobility is related to molar conductivity by the equations: which allows the mobilities, u+ and u- of the cation and anion to be determined from mol

Benzyl amine in the presence of a weak acidic catalyst, Upon  treatment of ...

Upon  treatment of A with benzyl amine in the presence of a weak acidic catalyst, they obtained mainly the undesired amino alcohol C along with some of the desired product D that c

Explain the following, Lithium and beryllium markedly differ from other mem...

Lithium and beryllium markedly differ from other members of their respective groups? Read more: http://wiki.answers.com/Q/Lithium_and_beryllium_markedly_differ_from_other_members

What is functional group isomerism, The isomerim exhibited by the compounds...

The isomerim exhibited by the compounds having the same molucular formula but they having different functional groups is called functional group isomerism.For example C 3 H 6 O c

Mechanism of Methanol, What are the different mechanism to produce methanol...

What are the different mechanism to produce methanol(CH3OH)?

Stearic effect - reactivity of aldehydes and keto, Stearic effect - relativ...

Stearic effect - relative reactivity of aldehydes and keto The size of the alkyl group is much more than that of hydrogen. In aldehydes, there is one alkyl set although in keto

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd