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Why is the average atomic mass of most elements the same in every sample that has been analyzed?
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What information can be obtained from a sample analyzed using atomic absorption spectroscopy?
the identities and quantities of elements present
Why is atomic mass not a constant number?
The atomic mass is the average of all of the different isotopes of the element present in the sample. Samles taken from aound the worlld for some elements have slightly different isotope ratios and therefore have different atomic masses.
Are all sample of elements are composed of atoms with same atomic mass?
All atoms in a pure sample of one element have the same mass. The atoms in a different element have a different mass. Different atoms is what makes different elements.
An imaginary element Y occurs 30 of the time with a mass of 57.9 a.m.you. The remaining sample of Y has a mass of 60.9 a.m.you. What is the average atomic mass of Y?
The average atomic mass of Y would be 60.0 a.m.u.
What is the function of cotton swab in microbiology?
it is used for testing a surface for presence of microbes or collect a sample to be analyzed
What information can be obtained from a sample analyzed using atomic absorption spectroscopy?
the identities and quantities of elements present
Why is atomic mass not a constant number?
The atomic mass is the average of all of the different isotopes of the element present in the sample. Samles taken from aound the worlld for some elements have slightly different isotope ratios and therefore have different atomic masses.
What same elements have the same atomic number?
though your question is unclear, each element has its own atomic number. every sample of Sulfur (S) that exists has the atomic number of 16. No different elements share the same atomic number.
Are all sample of elements are composed of atoms with same atomic mass?
All atoms in a pure sample of one element have the same mass. The atoms in a different element have a different mass. Different atoms is what makes different elements.
The average of the masses of all the atoms in a sample of an element is called the?
This is the atomic weight.
Why is there an average atomic mass?
There is an average atomic mass because all atoms of the same element do not have the same amount of neutrons (isotopes), therefore variations in atomic mass exist. The average atomic mass of an element is the estimated average of all the atoms of the same element, given the average of different isotopes in a scientific sample.
Why do you sample forensic evidence?
Forensic evidence is not 'sampled,' it is ANALYZED, by taking a 'sample' of it and conducting laboratory or or other technical tests or analyses of it.
How do you find the sample mean?
Add the values of the variable for all elements in the sample and divide by the number of elements on the sample.
How many elements are in a sample of an element whose mass in grams is numaricly equale to the atomic mass?
As the question is phrased, the answer is 1, because there is only one element in a sample of the element. If the questioner meant "How many atoms" instead of "How many elements", the answer is Avogadro's Number, 6.022 X 1023.
An imaginary element Y occurs 30 of the time with a mass of 57.9 a.m.you. The remaining sample of Y has a mass of 60.9 a.m.you. What is the average atomic mass of Y?
The average atomic mass of Y would be 60.0 a.m.u.
How is it that tellurium has a greater mass number than iodine if an iodine atom has one more proton than a tellurium atom?
Iodine nuclei have one more Proton than Tellurium, but in general the Tellurium atoms have more neutrons, giving a higher average atomic mass. Elements often have isotopes, and their stated atomic masses are averages which look at the abundance of these isotopes. In a given sample of Iodine, 100% of it will be 127I, though the tiniest trace of 129I will exist. In a sample of Tellurium, 65% will be 128Te and 130Te. This makes Tellurium's average atomic mass a little higher than Iodine's.
How do you compute the neutrons of carbon?
Roughly, subtract the atomic number (6) from it's atomic mass (12.01) and round to the nearest integer to get the average number of neutrons in a carbon sample, in this case 6.
