In a far away universe, there exist an element called Macandcheesium (Mc). This element has 61 protons and consists of three primary isotopes, as shown below. Isotope #1: 118MC with mass 117.052 amu and an abundace of 15.70%. Isotope #2: 126Mc with mass 125.114 amu and an abundace of 31.65%. Isotope #3: 132MC with mass 131.635 amu and an abundace of 52.65%.

Q: Relative number of atoms The stable isotopes of iron are 54F., 56FE, 57Fe, and 58F.. The mass…

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Q: An imaginary element Xz consists of two isotopes having masses of 100.0amu and 102.0 amu. A sample…

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Q: In a far away universe, there exist an element called Macandcheesium (Mc). This element has 61…

A: The average atomic mass of an element is calculated as the average of all the isotopic masses of the…

Q: Element X reacts with chlorine to form a compound with the formula of X2Cl3. This compound contains…

A: Relative atomic mass: Cl = 35.5 g/mol

Q: onsider an element which has 4 isotopes.  You need to identify the element using isotopic masses and…

A: Isotopes are those which have the same number of protons, but they have the different number of…

Q: The element X has three naturally occurring isotopes. The isotopic masses (amu) and % abundances of…

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Q: (a) Describe Rutherford's experiment and how it led to the structure of the atom. How was he able to…

A: a)

Q: Naturally occurring Metal with average atomic mass 79.7231 consists of two isotopes: 79M with mass…

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Q: 3. How many protons (P), neutrons (N) and electrons (e) are present in Os² that has mass number 190…

A: Given that  Atomic no of element = 79

Q: To the right is a representation of 50 atoms of a fictitious element called westmontium (Wt). The…

A: A mass spectrum is an intensity vs. m/z (mass-to-charge ratio) plot representing a chemical…

Q: In a naturally occurring sample, 19.8% of boron atoms have five neutrons and 80.2% have six…

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Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

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Q: On planet X431A, the isotopes of carbon, C , have the following natural abundances: Abundance (%)…

A: #Q.1: Data given for planet X431A Given the atomic mass of 1st isotope, M1 = 12.000 amu Fractional…

Q: 69 2.47 Gallium has two naturally occurring isotopes, Ga (isotopic mass = 68.9256 amu, abundance…

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Q: An element X has the following masses and % abundance. 35X  (34.97 amu 75.8%) and 37X ( 36.99amu…

A: Answer :- amu (atomic mass unit) - It is the unit to express the atomic mass.  % abundance - It is…

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

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Q: In an experiment, the reaction of 100.0 g of iodine produced 144.9 g of a compound formed from…

A: It is an example of law of conservation of mass

Q: A 6.55 g sample of calcium sulfide was decomposed into its constituent elements, producing 3.64 g of…

A: According to the law of constant composition, for any particular chemical compound, all samples of…

Q: The element X has two naturally occurring isotopes: X50 (relative abundance = 30.15%, mass = 50.3)…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A hypothetical element X has 2 major isotopes and an average atomic mass of 48.05 amu. Given that…

A: Given, Average atomic mass of X = 48.05 amu Atomic mass of one isotope, I = 49.08 amu Abundance of…

Q: It is common in mass spectrometry to assume that the massof a cation is the same as that of its…

A: The concept of Significant digits comes under scientific notation. Significant digits or figures are…

Q: The following table presents the abundances and masses of the isotopes of zinc. What is the atomic…

A: The abundance of the naturally occurring isotope given are,

Q: Naturally occurring chlorine is composed of two isotopes: 75.76% Cl-35 (mass 34.9688 amu) and 24.24%…

A: The elements having same atomic number, but different mass number are termed as isotopes. A molecule…

Q: The PHIVOLCS recently reported that Taal volcano emitted 15,500 tons of Sulfur Dioxide (SO,). How…

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Q: 7. If an element, “X" has two isotopes with the following masses and abundances: 46X = 45.974 amu ,…

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Q: The PHIVOLCS recently reported that Taal volcano emitted 15,500 tons of Sulfur Dioxide (SO2). How…

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Q: The following table presents the abundances and masses of the isotopes of germanium. What is the…

A: Given:

Q: Antimony, Sb (atomic mass 121.760 amu) has two stable isotopes: 121Sb (atomic mass 120.904 amu) and…

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Q: Element X has two naturally occurring isotopes,  65X(isotopic mass  64.7471 amu, abundance 28.49%)…

A: Given : Element X has 2 naturally isotopes. Mass of isotope 65X = 64.7471 amu Abundance of 65X =…

Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

A: The data given is,

Q: 7. Isotopes, (a) Argon has three naturally occurring isotopes, 36Ar, 38Ar, and 40Ar. What is the…

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Q: There are three isotopes of an element, X-28, X-29, and X-30, with relative abundances of 92.2297%,…

A: The mass number of Silicon = 30

Q: The element X has three naturally occurring isotopes. The isotopic masses (amu) and % abundances of…

A: Atomic species that have the same atomic number but different mass numbers are called isotopes.  An…

Q: Element X has two naturally occurring isotopes, 65X (isotopic mass 65.3520 amu, abundance 58.16%)…

A: The average atomic mass is the sum of the mass of the isotopes multiplied by its fraction or…

Q: Estimate the percentage of the total mass of a 58Ni atom that is due to (a) electrons, (b) protons,…

A: Ni-58 has 28 electrons, 28 protons and 30 neutrons in it

Q: Calculate the atomic mass of element "X" if it has two naturally occurring isotopes with the…

A: the atomic mass of element "X" if it has two naturally occurring isotopes is Calculate by according…

Q: The element Cellphonium (Ce) has an atomic number of 115. Its isotope 215Ce (Cellphonium - 215)…

A: Given, an element cellphonium has atomic number =115and its isotopes Ce215.we are asked to calculate…

Q: In nature, Titanium has five stable isotopes. If the atomic masses and the relative abundances for…

A: Given, the atomic masse and their relative abundance of first four isotopes of Titanium are as…

Q: An element, X, has two isotopes, 35X and 37X, whose respective abundances are 75.77% and 24.23% and…

A: Given, Mass of 35X = 34.9688 amu Mass of 37X = 36.9659 amu  Mass of X = ?

Q: The PHIVOLCS recently reported that Taal volcano emitted 15,500 tons of Sulfur Dioxide (SO2). How…

A: Here we have to find total number of sulfur atoms present in 15500 tons of SO2 gas . Here we have to…

Q: An element consists of 1.40% of an isotope with mass 203.9730 u, 24.10% of an isotope with mass…

A: Average atomic mass is the isotopic abundance (relative to each other found in the Earth). formula…

Q: Rubidium has two naturally occurring isotopes: 85 Rb (atomic mass = 84. 9118 AMU)and 87 Rb (atomic…

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Q: Variations in average atomic mass may be observed for elements obtained from different sources.…

A: Fractional abundance can be calculated using the formula,

Q: Imagine that you are given information about an element X which has two naturally occuring isotopes.…

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Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.