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Q. Explain the use Radioactive Nuclides?
Ans.
Radioactive elements are easily found because they emit radiation. They can be used as tracers to show what is happening in plants and animals. A radioactive isotope of a molecule can be substituted for the regular atom used by a specific organ in your body. Doctors can follow the path of that tracer by detecting the movement as it wanders through your body. Areas of high or low radioactivity signal a problem area.
Radioactive isotopes can also be used to target cancer cells. If you have a thyroid cancer doctors will often prescribe iodine-131. The iodine accumulates in the gland and the radiation destroys the cancer cells. For other types of cancer, external sources of radiation bombard the cancerous cells to destroy them
Some naturally occurring nuclides can be used in archeological and geological dating. We already mentioned these applications in the section entitled Radioactive Dating.
How does nitric acid reacts with metals in different concentrations?
A transition metal X has a configuration [Ar] 3d 4 in its +3 oxidation state. Its atomic number is: (1) 25 (2) 26 (3) 22 (4) 19 Ans: 25
Artificial process for manufacture of Petrol or gasoline (a) Cracking, (b) Synthesis
90ml of an unknown concentrated chlorine was diluted with 2250l of water.The dilution now is 0.08mg/l. what is the initial concentration of the chlorine before dilution?
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
give me two examples of compounds formed by s - blockmetals
What r the requirements for a good refractory material
The molecular formula of chloride of a metal M is MCl3 The formula of its carbonate would be: (1) MCO 3 (2) M 2 (Co
Chemical characterstics of carbonyl compounds Carbonyl compounds provide chemical reactions due to carbonyl group and α-hydrogens. Carbonyl compounds' Chemical reactions can
describe the reaction and constitution of glucose.
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