Element Naturally Occurring Isotope Natural Abundance of Isotope (%) Oxygen Oxygen-16 99.757 Oxygen-17 0.038 Oxygen-18 0.205 Sulfur-32 94.99 Sulfur-33 0.75 Sulfur-34 4.25 Sulfur-36 0.01 Sulfur Mass of Isotope (amu) 15.994915 16.999132 17.999160 31.972071 32.971459 33.967867 35.967081 Calculated Mass of Element (amu)

Q: A certain element has two naturally occurring isotopes. The atomic mass of isotope 1 (81.7494 %…

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Q: An element has the following natural abundances and isotopic masses: 2297% abundance with 27.977…

A: Average atomic mass of an element is the sum of the masses of its isotopes each multiplied by its…

Q: A primary goal of medievel alchemists was to turn base metals in gold. Typically they worked with…

A: Mass number = number of neutrons + number of protons Atomic number = number of protons

Q: Silver has an average atomic mass of 107.87 u. If 48.18% of Ag exists as Ag-109 (108.9047 u), what…

A: Given,average atomic mass of Ag = 107.87 u% abundance of Ag-109 = 48.18 %atomic mass of Ag-109 =…

Q: An element has two isotopes. One isotope has a mass of 63.22g. The other has a mass of 67.88g. If…

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Q: An element has three naturally occurring isotopes with the following masses and abundances= Isotopic…

A: Given  Isotope  Mass            Fractional abundance    19.992    ( m1 )                    0.9048 (…

Q: . An element has three stable isotopes with masses of 27.977 amu, 28,976 amu, and 29.973 amu. The…

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Q: Back on planet Earth, elements have different isotopic distributions. The atom Chlorine ( Cl ) has…

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Q: 27: What is the mass defect of Be? (Refer to the mases table from the formula sheet) 4

A: Mass defect is define as the disparity in mass of atom to mass of protons, neutrons, and electrons…

Q: 5. Boron exists as two isotopes, Boron-10 and Boron-11. The average atomic mass for boron on found…

A: Isotopes are the chemical species having same atomic number but different mass number. Isotopes of…

Q: An unknown element X has the following isotopes: 25X (80.50% abundant, mass = 25.03 amu) and 27X…

A: isotopes of X 25X: abundance - 80.50%                       (P1) = 80.50/100 = 0.8050          mass…

Q: Enter your answer in the provided box. 12 The atomic masses of the two stable isotopes of carbon, 13…

A: Given,  12C6 isotope has 98.90 %  molar mass = 12 amu And 13C6 isotope has 1.100 %  Molar mass =…

Q: Convert 1.89 • 1024  atoms of carbon to coles of carbon

A: Given, the number of moles of carbon atoms = 1.89 x 1024 atoms 1 moles of carbon atom = 6.022 x 1023…

Q: An unknown element X has the following isotopes: 1ºX (20.00% abundant, atomic mass = atomic mass =…

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Q: Question 9 Which ion has +3 charge, 28 electrons, and an atomic mass of 70 amu? A 7231 Ga+3 B 7132…

A: Recall the given data of the following, charge=+3 no. of electron=28 atomic mass = 70 amu

Q: a) An element has two naturally occurring isotopes. Isotope l has a mass of 120.9038 u and a…

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Q: An unknown element X has the following isotopes: ²⁵X (80.50% abundant, mass = 25.03 amu) and ²⁷X…

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Q: A newly discovered element consists of 2 isotopes, one with a mass of 11.34 amu and a relative…

A: Mass of one of the isotope newly discovered element =11.34 amu  Relative abundance= 17.2 %  Mass of…

Q: Complete the table below, using the diagram of an atom shown at right. name symbol 0 0 n 0…

A: Complete the table, using the diagram of an atom.

Q: An experimental determination of the percent abundances of the three isotopes of magnesium is given…

A: Given data:

Q: A particular element has 2 stable isotopes. If the first isotope has a mass of 14.754 amu and an…

A: Given that: Element has two stable isotope Mass of first isotope(m1) = 14.754amu Abundance of first…

Q: -In this molecule, is Cl = Chlorine a neutral atom, an ion or an isotope? %3D -In this molecule, Mg…

A: NOTE : Since the molecular formula is not visible in the pic, I'm assuming it to be MgCl2 as per the…

Q: Rank the elements in the table below in order from least to greatest number of atoms. Mass (g)…

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Q: 13. Imaginary element mccourtium has an average atomic mass of 157.22 u. The atomic masses and %…

A: Determine--  a) % abundance of Mc-158  b) Atomic mass of Mc-158

Q: Bromine has two naturally occurring isotopes. Bromine-79 has a mass of 78.9183 amu and an abundance…

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Q: On another planet, the isotopes of titanium have the given natural abundances. Isotope Abundance…

A: Titanium is an element which has symbol Ti and atomic number 22. Its atomic weight is 47.867 amu. It…

Q: It is well known that the element magnesium has three naturally occurring isotopes. Mg-24 represents…

A: It is clearly indicates that the Mg-24 posses a natural abundance of 79% along with other isotopic…

Q: On planet X431A, the isotopes of carbon, CC , have the following natural abundances: IsotopeIsotope…

A: Details

Q: g and a small airplane has a mass of 5000. kg. An aluminum atom has a mass of 4.48 × 10 Use this…

A: The mass of 1 aluminum atom is .The mass of an airplane is 5000. kg.To find the mass of 1 mole of…

Q: An element has two naturally occurring isotopes. Isotope 1 has a mass of 190.9606 amu and a relative…

A: Since,    Average Atomic mass=Σmass of Isotope×% of Isotope100

Q: The element antimony has an atomic weight of 121.757 amu and only two naturally-occurring isotopes.…

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Q: The nucleus of an atom accounts for most of the size and mass of the atom. O very little of the size…

A: According to Dalton's atomic theory, compound is formed by combining elements and it's also based on…

Q: A hypothetical element has 3 stable isotopes. The masses of the isotopes and percent abundance of…

A: The percentage abundance is the amount of isotope in nature. The higher the percentage abundance,…

Q: A Chemistry student at Agora is calculating the average atomic mass of Potassium using the following…

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Q: An element has two naturally occurring isotopes the first isotope has an abundance of 30.37% and a…

A: With data's given Initially we are finding percentage abundance of another(second) isotope and then…