The element copper has two naturally occurring isotopes.One of these has a mass of 62.93 amu and a natural abundance of 69.09%. A second isotope has a mass of 64.9278amu and a natural abundance of 30.91%. Calculate theatomic mass of copper.

Q: A hypothetical element has two isotopes: I = 62.00 amu and II = 66.00 amu. If the atomic mass of…

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Q: Suppose an element consisted of two isotopes with masses of 89.9 amu and 91.1 amu. If 1.500x103…

A: When elements occur in earth crust in more than 1 natural form or commonly known as isotopes, their…

Q: The proton mass is 1.007276 amu, the neutron mass is 1.008665 amu, and the electron mass is…

A: Given Mass of proton(mp) = 1.007276 amu Mass of electron(me) = 0.0005486 amu Mass of neutron(mn) =…

Q: Calculate the atomic mass of element "X", if it has 3 naturally occurring isotopes with the…

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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: 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: The element lithium has an atomic weight of 6.941 amu. There are only two isotopes of lithium, Li…

A: Atomic weight of element Li = 6.941 amu Mass of 6Li = 6.0151223 amu Mass of 7Li = 7.0160040 amu

Q: The element copper has two naturally occurring isotopes with masses of 62.9400 amu and 64.9300 amu.…

A: The element copper has two naturally occurring isotopes with masses of 62.9400 amu and 64.9300 amu.…

Q: A fictional element has two isotopes and an ayomic mass of 87.08 amu. If the first isotop is 85.654…

A: Atomic mass of element ,M= 87.08 amu Mass of first isotope,  M1  = 85.654 amu Mass of second…

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: particular element has two naturally occurring isotopes. The first makes up 20.000% of the total and…

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Q: Copper has an isotope with an atomic mass of 62.93 and an abundance of 69.17%. A second isotope has…

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

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Q: This element has only two naturally occurring isotopes, in which the lighter isotope has an…

A: Given  Abundance of lighter isotope( AL )          = 19.9% Then abundance of heavier isotope (AH) =…

Q: A certain element consists of two stable isotopes. The first has an atomic mass of 106.9051 amu and…

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Q: The average atomic mass of lithium is 6.941 amu. Lithium has two naturally occurring isotopes, 6Li…

A: Given:The average atomic mass of lithium = 6.941 amu% of Li isotopes = 6Li (7.52%) and 7Li…

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

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Q: How are isotopes of a particular element alike? How are they different?

A: Isotopes are atoms of the same element that have different numbers of neutrons but the same number…

Q: atomic mass of this factious element.

A: Atomic mass of of one isotope(M1) =56.44 % Abundance (X1) = 42.5 % Atomic mass of 2nd isotope(M2) =…

Q: 37 The actual mass of a 17CI atom is 36.9659 amu. Calculate the mass deficiency (amu/atom) for a Cl…

A: Mass defect per atom is determined from the difference between calculated mass and theoretical mass.…

Q: An element has two naturally occurring isotopes. One has an abundance of 58.009% and an isotopic…

A: Isotopes of any element is the Pair of element with same atomic number but different mass number.

Q: Element X has 5 isotopes. One of the isotopes has a mass of 120.6 with an abundance of 8.4%. The…

A: Average atomic mass of an element is defined as the sum of masses of each isotope each multiplied by…

Q: A hypothetical (fake) element has 2 naturally occurring isotopes. Isotope #1 has a mass of 185.8410…

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Q: Antinomy, Sb, has 2 isotopes and an atomic weight of 121.75 amu. The isotope anitimony-121 has a…

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Q: A particular element has 4 stable isotopes. If the first isotope has a mass of 88.830 amu and an…

A: Isotopesmass% abundanceFirst isotope88.830 amu0.020 %Second isotope89.033 amu1.890 %Third…

Q: Antimony Sb has two stable isotopes 121 Sb (at mass 120.904 amu) with a natural abundance of 57.36 %…

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

A: Answer :-  R44101u…

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

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Q: Fictitious element, Fx, has two common isotopes. One of the isotopes has an atomic mass of 343.2 amu…

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

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Q: Naturally occurring titanium exists as five stable isotopes. Four of the isotopes are: 46Ti with a…

A: The mass of the fifth isotope of titanium can be calculated as

Q: Which of these pairs of atoms are isotopes? Atom A: 13 protons, 12 neutrons and 12 electrons. Atom…

A: Definition of isotopes =>  Isotopes are those whose atomic number is same (means number of proton…

Q: An atom has a diameter of 3.00 Å and the nucleus of that atom has a diameter of 7.50 × 10-5 Å.…

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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.