Silicon, which makes up about 25% of Earth's crust by mass, is used widely in the modern electronics industry. It has three naturally occurring isotopes, 28Si, 29Si, and 30Si. Calculate the atomic mass of silicon.   Isotope Isotopic Mass (amu) Abundance %  28Si 27.976927 92.23          29Si 28.976495 4.67          30Si 29.973770 3.10         Group of answer choices 27.9801 amu 28.7260 amu 28.9757 amu 29.2252 amu 28.0855 amu

Q: An element has two naturally occurring isotopes. Isotope 1 has a mass of 184.9530 amuamu and a…

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Q: The two naturally occurring isotopes of element X are ^18X (80%) and ^19X. What is the average…

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Q: 2. Use the following table of bundances and masses of the five aturally occurring titanium isotopes…

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

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Q: Tungsten has 5 naturally occurring isotopes. These are: Isotope Isotopic mass % Isotopic…

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Q: There are two naturally occurring isotopes of chlorine. 35 Cl has a mass of 34.9689 u. 37 Cl has a…

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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: Gallium has two naturally occurring isotopes with the follow- ing masses and natural abundances:…

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Q: In nature, the element X consists of two naturally occurring isotopes. 107X with abundance 55.84%…

A: Given : There are two naturally occurring isotopes of element X. Abundance of isotope 1 i.e 107X =…

Q: There are two naturally occurring isotopes of rubidium. What is the abundance of each isotope?…

A: The abundance of each isotope is to be calculated.

Q: Enter your answer in the provided box. Calculate the average atomic mass of chlorine. The…

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

A: Given, Relative abundance of potassium  Isotope of K Relative abundance K-39 93.12 % K-41…

Q: 8 Naturally occurring chlorine consists of the two isotopes: 35Cl and 37Cl. The atomic mass for…

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Q: 7. An element exists as 3 stable isotopes in nature. The isotopic masses (in amu) and percent…

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

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Q: An element has four naturally occurring isotopes. The mass and fractional abundance of each isotope…

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Q: Q4) consider the element Xy that has an atomic number of 56. If this element has the following data…

A: We are given percentage of natural abundance and mass of its isotopes and we have to calculate it's…

Q: Tur Enter numeric value al used in the filaments of incandescent light bulbs. Naturally occurring…

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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: What is the relative atomic mass of the element that consists of the following isotopes in the…

A: Given,

Q: I would like help with this question please. Thank you in advance!

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Q: Magnesium has three naturally occurring isotopes, 24Mg (isotopic mass = 23.9850 amu, abundance =…

A: Given data contains, Isotopic mass of 24Mg is 23.9850 amu. Abundance of 24Mg is 78.99%. Isotopic…

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

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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: Sulfur,the 5th most common element on Earth, is a key component of the amino acids cysteine and…

A: Sulfur, the 5th most common element on Earth, is a key component of the amino acids cysteine and…

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: Boron (B;Z=5) has two naturally occurring isotopes. Find the percent abundances of ¹²B and ¹¹B given…

A: The given data contains, B = 10.0129 amu. 11B = 11.0093 amu.

Q: Magnesium has three stable isotopes. The most commonly occurring isotope, 24Mg, has an isotopic mass…

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Q: Which orbital is lower in energy in a many-electron atom? 4s O 3s X S

A: Energy of sub orbitals are gone by above principle and (n +l)rule

Q: An element exist as 3 isotopes in nature. The isotopic masses (in amu) and percent abundance’s are…

A: The average atomic mass of element is equal to the product of the masses of the isotope and its…

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

A: Details

Q: D Suppose that fictional element X has an average atomic mass of 74.029 u. Element X has two…

A: Given -> Average atomic mass = 74.029 u Isotope -1 has mass(m1) = 72.021 u Isotope -1 has…

Q: Complete the table below, using the diagram of an atom shown at right. name symbol 8 0 proton Bo n 0…

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

A: In order to calculate relative atomic mass, simply multiply each isotopic mass by the percentage…

Q: 29 Naturally occurring silicon consists of 20Si (27.9769 amu), 2Si (28.9765 amu) and 30 Si (29.9738…

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Q: Gallium is a metal which forms compounds with a wide variety of uses. Some of the applications of…

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Q: There are two naturally occurring isotopes of copper. 63 Cu has a mass of 62.9296 u. 65 Cu has a…

A: Given: There are only 2 naturally occurring isotopes of Cu. Mass of 63Cu = 62.9295 u. And mass of…

Q: The natural abundances and isotopic masses of the element neon (Ne) areIsotope               %…

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Q: Lithium, is used in dry cells and storage batteries and in high temperatures lubricants, it has two…

A: Given- M1=6.01521 M2=7.016003 A1 (%)=7.50 A2(%)=92.50

Q: . A solution in prepared by dissolving 14.36 g of CaCl₂ in 727 mL of water. The total mass of the…

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Q: Tinumy 190tope m There are only two naturally-occuring stable isotopes of antimony, the masses of…

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Q: 5. A sample of Magnesium contains three isotopes and its average atomic weight is 24.35 amu. If the…

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Q: ⒸMacmillan Learning On another planet, the isotopes of titanium have the given natural abundances.…

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Q: OBo and F have the same number of neutrons. O"c and "N are isotopes of each other because their mass…

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Q: A hypothetical element, M, with average atomic weight of 35.75. M has three stable isotopes with the…

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Q: The element zirconium has five naturally occurring isotopes. The masses (amu) and % abundances of…

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Q: There are only two naturally-occuring stable isotopes of chlorine, the masses of which are listed in…

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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.