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Which isotopic ratio are used to make absolute determination of the time of formation of materials?
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What is the radioactive material in nukes?
There are several that may or may not be used, depending on the device and design:UraniumPlutoniumTritiumPoloniumRadiumIf used these materials may be used in different places, for different functions, and in different isotopic forms.
Which gas is heaviest nitrogen hydrogen or oxygen?
Isotopic mas of hydrogen ia '1' Isotopic mass of nitrogen is '14' Isotopic mass of oxygen is '16' It follows that oxygen is the n=heaviest of these gases.
What is the isotopic symbol for sodium?
na
What is the isotopic symbol for Potassium?
that is 40K
What element has the isotopic mass of 209?
Po
Which of the following elements' isotopic ratios are used to make absolute determinations of the time of formation of materials?
oxygen
Isotopic ratios of what element are used to make absolute determinations of the time of formation of materials?
Uranium to lead ratios are most often used to date rocks but I would not call it absolute determinations
How can the absolute age of rock be determined?
Through Radioactive Dating or Isotopic Dating.
How can the absolute age of a rock be determined?
Through Radioactive Dating or Isotopic Dating.
What type of dating involves half-lives and can tell in which geologic period a rock was formed?
This is called absolute, isotopic, or radiometric dating.
What is need to determine atomic mass of chlorine?
For the determination of the atomic weight (not mass) of chlorine we need to know the isotopic composition of Cl and the atomic masses of the isotopes.
What is a Isotopic Fractionation?
Separation of a mixture according its isotopic composition.
What is an isotopic mixture?
explain the mechanism of diffusion in the separation of isotopic mixtures
What are four uses of isotopes?
uses of isotopes1.Sourcing archaeological materials,2.Forensic science,3.The growth conditions plants,4.Backing polymer, additives, and glue,5.detection of humiliation of honey.Isotopic signatures of materials find increasing use in forensics allowing disguising the origin of otherwise similar materials and tracking the materials to their common source. For example the isotope signatures of C including moisture and nutrient availability. In case of synthetic materials, the signature is influenced by the conditions during the chemical reaction. The isotopic signature profiling is useful in cases where other kinds of profiling, e.g. characterization of impurity, are not optimal.A study was published demonstrating the possibility of determination of the origin of a common brown PSA packaging tape by using the carbon, oxygen, and hydrogen isotopic signature of the backing polymer, additives, and glue.Measurement of carbon isotopic ratios can be used for detection of humiliation of honey. Addition of sugars originated from corn or sugar cane (C4 plants) skews the isotopic ratio of sugars present in honey, but does not influence the isotopic ratio of proteins; in an unadulterated honey the carbon isotopic ratios of sugars and proteins should match. As low as 7% level of addition can be detectedForensicsA recent development in forensic science is the isotopic analysis of hair strands. Hair has a recognizable growth rate of 9-11mm per month or 15cm per year. Hair growth is primarily a function of diet, especially drinking water intake. The stable isotopic ratios of drinking water are a function of location, and the geology that the water percolates through. 87Sr, 88Sr and Oxygen isotope variations are different all over the World. These differences in isotopic ratio are then biologically 'set' in our hair as it grows and it has therefore become possible to identify recent geographic histories by the analysis of hair strands. For example, it could be possible to identify whether a terrorist suspect had recently been to the Middle-East from hair analysis. This hair analysis is a non-invasive method which is becoming very popular in cases that DNA or other traditional means are bringing no answers.Sourcing archaeological materialsIsotope analysis has been particularly useful in archaeology as a means of characterization. Characterization of artifacts involves determining the isotopic composition of possible source materials such as metal ore bodies and comparing these data to the isotopic composition of analyzed artifacts. A wide range of archaeological materials such as metals, glass and lead-based pigments have been sourced using isotopic characterization. Particularly in the Bronze Age Mediterranean Lead Isotope Analysis has been a useful tool for determining the sources of metals and an important indicator of trade patterns.
What are elements with isotopic atoms?
Elements with isotopic atoms? An isotope is the same form of an element, but with a different number of neutrons. An element with isotopes/"isotopic atoms" is simply an element with isotopes.
What is the isotopic mass of phosphate?
The most common isotopic mass of the phospate group, PO3, is 79. The second most common isotopic mass is incredibly rare, but is 78. -------------------------------- Phosphate (PO4)3- has not an isotopic mass because it is not an isotope but it is an anion. The mass of this anion is 94,953 42.
What is the radioactive material in nukes?
There are several that may or may not be used, depending on the device and design:UraniumPlutoniumTritiumPoloniumRadiumIf used these materials may be used in different places, for different functions, and in different isotopic forms.
