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

Determine total energy of the electrons of hydrogen atom, The ratio between...

The ratio between kinetic energy and the total energy of the electrons of hydrogen atom according to Bohr's model is: (1) 2 : 1  (2)1 : 1      (3)1 : - 1           (4)

The four quantum numbers of the outermost orbital, The four quantum numbers...

The four quantum numbers of the outermost orbital of K (atomic no. =19) are: (1)  n= 2, l= 0, m=0, s= +1/2           (2) n= 4, l= 0, m=0, s= +1/2          (3) n= 3, l= 1,

Organic, show how you would sythesise the following compounds, starting wit...

show how you would sythesise the following compounds, starting with benzene or toluene and any necessary acyclic reagents. Assume para is the major product.

Phenol does''t react with sodium carbonate sodium bicarbonate, Why phenol d...

Why phenol does not react with sodium carbonate & sodium bicarbonate?   Reason: This is because Phenol is less acidic than H 2 CO 3 and hence the reaction doesnt takes place.

Experimental research, how to write research design in experimental researc...

how to write research design in experimental research

Conversion of caco3 equivalent, Q.   A sample of water analysis was found t...

Q.   A sample of water analysis was found to contain temporary magnesium hardness 25 mg/L. Permanent magnesium chloride hardness 15 mg/L and permanent calcium sulphate hardness 20

Precipitation titrations - types of titrations, Precipitation titrations - ...

Precipitation titrations - Types of titrations The titrations that are based upon the formation of insoluble precipitates, while the solvent of two reacting solution are brough

AMPEROMETRIC, I WHAT TO KNOW THE VARIOUS TYPES OF AMPEROMETRY

I WHAT TO KNOW THE VARIOUS TYPES OF AMPEROMETRY

Equivalent conductance of sodium acetate, When a certain cell was filled wi...

When a certain cell was filled with 0.02N KCl solution, the resistance was 350ohm when the same cell was filled with 0.01N eq solution of sodium acetate the resistance was 1158ohm.

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