Naturally occurring silicon has an atomic mass of 28.086 and consists of three isotopes. The major isotope is 28Si, natural abundance 92.23%, relative atomic mass 27.97693. The next most abundant isotope is 29Si, relative atomic mass 28.97649. The third isotope is 30Si whose natural abundance is in the ratio of 0.6592 to that of 29Si. Find the relative atomic mass of 30Si.

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

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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: the element silver has two naturally occurring isotopes. the mass of one isotope is 106.905 u and…

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Q: Copper has two naturally occurring stable isotopes, 63Cu (isotopic mass = 62.9296 amu) and 65Cu…

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Q: Boron (BB)  has two naturally occurring isotopes: BB-10, which has a percent abundance of 19.88 %%…

A: The above mentioned question is explained below :

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

A: Isotope elements having similar atomic number but different mass number

Q: Calculate the weighted average of a substance from space. It has an abundance of 30.0% and 70.0% for…

A: The relative abundance definition in chemistry is the percentage of a particular isotope that occurs…

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

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

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Q: 7. Gallium has two naturally occurring isotopes. The mass of gallium-69 is 68.9256 amu and it is…

A: Average Atomic mass = (mass of 1st isotope x % abundance of 1st isotope + mass of 2nd isotope x %…

Q: On another planet, the isotopes of titanium have the given natural abundances. Isotope 46TI…

A:

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

A:

Q: A made up element ey has three natural isotopes. The isotopes each have an atomic mass of 33.02…

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Q: 10. Natural rubidium is composed of the isotopes 8Rb, which has an actual mass of 84.9117 amu, and…

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Q: There are only two naturally-occuring stable Isotopes of chlorine, the masses of Periodic Table to…

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

A: Average atomic mass of an atom can be calculated using the mass of their isotopes and their…

Q: There are two stable isotopes of lithium. The atomic mass of lithium-6 is 6.02 amu and the atomic…

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

A: Given that:IsotopeMass(amu)Relative abundance98Ru97.9148%100Ru99.9052%

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: A hypothetical element X is found to have an atomic mass of 37.45 amu. Element X has only two…

A: Given, Atomic mass of element X = 37.45 amu Element X consist of two isotopes- 1. X-37 2. X-38…

Q: Zinc has five naturally occurring isotopes with an average mass of 65.39 amu. If two isotopes,…

A: To answer: Which pair of isotopes will have the highest abundances? 64Zn, 63.9291 amu and 66Zn,…

Q: A completely made up element called Krystogen has two naturally occurring isotopes. The atomic…

A: Every atom in periodic table has some atomic mass and atomic number. When atomic number of two…

Q: The element lanthanum has an atomic weight of 139 and consists of two stable isotopes lanthanum-138…

A: The objective of the question is to find the mass of the isotope lanthanum-139. The atomic weight of…

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

A: IsotopeMass (amu)Relative abundance114Sn124Sn

Q: An element consists of two isotopes: The first isotope has an atomic mass of 86.905 AMU and a…

A: Given,The first isotope has an atomic mass of 86.905 AMU and a percent abundance of 51.83%. The…

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: What is the chemical symbol and the name of an element with three different isotopes with the…

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Q: 17.A hypothetical element X is found to have an atomic mass of 37.45 amu. Element X has 2 isotopes,…

A: Given that mass of X-37 = 37.24   Let x be the mass of the other isotope  Fractional abundance of…

Q: A new element has been discovered. This element has an atomic mass of 120.946 amu and only two…

A: Solution :        Atoms are very important basic building blocks of an element which consists of…

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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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 has the following natural abundances and isotopic masses: 78.99% abundance with 23.985…

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Q: Gallium has two naturally occurring isotopes, 69Ga and 71Ga. The average atomic mass of galllium is…

A: Since the atomic mass is given by the average atomic mass of both the isotopes  Hence the atomic…

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.