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Which isotope you would find in greatest abundance for phosphorus?
Wiki User
∙ 9y ago
P-31 accounts for all of phosphorus so I guess that is the one is greatest abundance.
Wiki User
∙ 8y ago
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How is the mass number of an isotope different from the average atomic mass that is on the periodic table?
The mass number for a particular isotope of an element is a precise value. The average atomic mass for an element is the value you would measure for that element given all the isotopes it has and their abundance in the sample.
How is atomic mass computed?
The atomic weight of an element is the average of the atomic mass of each individual isotope of that element, weighted by the natural abundance of each isotope.In other words, as an example, if we had an element called "X" that had two isotopes, with mass 10 and 20, and each isotope had the same abundance, then the atomic weight of X would be 15 (that is (10+20)/2 = 15). But if the same element X had the same two isotopes, but now the abundance of the lighter isotope was 90% and the abundance of the heavier isotope was only 10%, then the atomic weight would be much less due to the difference in abundance; that is you would not take a weighted average: 0.9*10 + 0.1*20 = 11.See the Web Link to the left for a chart of all the isotopes of the elements, their individual masses, and their natural abundances. It is with such a chart that the actual atomic weights are calculated.
Isotopes to calculate atomic mass for zinc?
I have the five isotopes of zinc, each with its percent by mass abundance and the compostition of its nucleus. Now I need to calculate the approximate atomic mass of zinc as I would find it in nature and listed on the periodic table. How do I go about doing this? in the first isotope there are 30p and 34n and the percent mass abundance is 48.89% the second isotope is 30p and 36n and 27.81% third isotope is 30p and 37n 4.11% fourth isotope is 30p and 38n and 18.57% and the fifth isotope has 30p and 40n and 0.62%.Any help anyone can provide I would greatly appreciate!THANKS4 years agoReport AbuseDavidBBest Answer - Chosen by VotersFor each isotope calculate the mass number (# protons + # neutrons) for each atom. This is its approximate atomic mas. Then calculate the average mass for all the isotopes. Covert the percentages to decimals then multiply each mass number by the decimal of the abundance and add all the terms (64 x 0.4889) + (mass # 2 + 0.2781) + (......) + (......) + ( .....)4 years ago
What information would you need to calculate the atomic mass of an atom?
To find the number of neutrons in an isotope you subtract the atomic number from the mass number.
Would the addition of phosphorus be the leats effective at preventing oxidation?
addition of phosphorus
What isotope iodine iron phosphorus radium has the longest half-time?
Phosphorus, iron, and iodine all have at least one isotope that is stable, and any of these would do for the longest half life. In fact, the radioactive isotopes of phosphorus are all synthetic, so radioactive phosphorus is not found in nature.
What is the name of the instrument used to measure the relative abundance of an isotope?
This would be done in a mass spectrometer.
How is the mass number of an isotope different from the average atomic mass that is on the periodic table?
The mass number for a particular isotope of an element is a precise value. The average atomic mass for an element is the value you would measure for that element given all the isotopes it has and their abundance in the sample.
How are isotopes related to atomic masses not being whole numbers?
Atomic masses are the weighted average of all the isotopes of an element. The average is based on the relative abundance of each isotope. Let say we have an element with two isotopes, the first isotope has a mass of 6 and the second has a mass of 8. If we took a straight average of the atomic masses then the element would have a mass of 7. But a weighted average based on the abundance of each isotope would be different (unless both isotopes are found to be in equal amounts ie. both 50% abundance) If the isotope with a mass of 6 had a relative abundance of 75% (meaning that 3/4 of all atoms of that element had a mass of 6) then the other isotope would have a relative abundance of 25% (relative abundance must add up to 100%). The atomic mass of the elements would be calculated by multiplying each isotopes mass my the relative abundance and then adding the two results together. 75% (6) = 4.5 25% (8) = 2.0 4.5 + 2.0 = 6.5 The atomic mass for this element would have an atomic mass of 6.5 amu (atomic mass units)
How is atomic mass computed?
The atomic weight of an element is the average of the atomic mass of each individual isotope of that element, weighted by the natural abundance of each isotope.In other words, as an example, if we had an element called "X" that had two isotopes, with mass 10 and 20, and each isotope had the same abundance, then the atomic weight of X would be 15 (that is (10+20)/2 = 15). But if the same element X had the same two isotopes, but now the abundance of the lighter isotope was 90% and the abundance of the heavier isotope was only 10%, then the atomic weight would be much less due to the difference in abundance; that is you would not take a weighted average: 0.9*10 + 0.1*20 = 11.See the Web Link to the left for a chart of all the isotopes of the elements, their individual masses, and their natural abundances. It is with such a chart that the actual atomic weights are calculated.
What would be a limiting nutrient in a freshwater pond?
Phosphorus
Which element dissolves in greatest abundance in the world's oceans?
Sodium Chloride would be one possible answer since there is an almost endless supply of salt you can get from the sea.
Isotopes to calculate atomic mass for zinc?
I have the five isotopes of zinc, each with its percent by mass abundance and the compostition of its nucleus. Now I need to calculate the approximate atomic mass of zinc as I would find it in nature and listed on the periodic table. How do I go about doing this? in the first isotope there are 30p and 34n and the percent mass abundance is 48.89% the second isotope is 30p and 36n and 27.81% third isotope is 30p and 37n 4.11% fourth isotope is 30p and 38n and 18.57% and the fifth isotope has 30p and 40n and 0.62%.Any help anyone can provide I would greatly appreciate!THANKS4 years agoReport AbuseDavidBBest Answer - Chosen by VotersFor each isotope calculate the mass number (# protons + # neutrons) for each atom. This is its approximate atomic mas. Then calculate the average mass for all the isotopes. Covert the percentages to decimals then multiply each mass number by the decimal of the abundance and add all the terms (64 x 0.4889) + (mass # 2 + 0.2781) + (......) + (......) + ( .....)4 years ago
Which two elements would NOT be capable of forming an ionic bond?
It would be Phosphorus (P) and chlorine (Cl).
What does the greatest molecular motion occur in?
I would assume in a plasma which is the form which requires the most energy to stay in the same state of matter, and therefore an abundance of molecular movement.
What information would you need to calculate the atomic mass of an atom?
To find the number of neutrons in an isotope you subtract the atomic number from the mass number.
Would the addition of phosphorus be the leats effective at preventing oxidation?
addition of phosphorus
