A particular element exists in two stable isotopic forms.  One isotope has a mass of 36.9659 amu (24.47 % abundance). The other isotope has a mass of 34.9689 amu.  Calculate the average mass of the element.

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

A: By using Atomic mass and mass of isotopes we can calculate the natural Abundance of isotopes. Lets…

Q: The element copper has two naturally occurring isotopes.One of these has a mass of 62.93 amu and a…

A: Isotope The species with same atomic number but different mass number is known as isotopes. Average…

Q: What is the mass number of an oxygen atom with nine neutrons in its nucleus? a) 8 b) 9 c) 17 d) 16…

A: Oxygen is a non-metal it exists as gas is nature its chemical symbol representation is  O2 it…

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

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Q: II. Calculate the atomic weight of each element given the mass and natural occurrence of each…

A: We have given the masses and isotopic abundance of three isotopes of magnesium. Isotopes of an…

Q: 1. A sample of magnesium has the following isotopic abundances: Isotopic mass (amu) 23.99 24.99…

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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: Calculate the atomic mass of element "X", if it has 2 naturally occurring isotopes with the…

A: Given : element X has 2 isotopes with mass and abundance as X-45 :  mass = 44.8776 amu and abundance…

Q: an element is a mixture of two isotopes. one isotope of the element has an atomic mass of 34.96885…

A: In this question, we want to determine the Average atomic mass and after that we will Identify the…

Q: The atomic mass of copper is 63.546 amu. Do any copper isotopes have a mass of 63.546 amu? Explain.

A: The atomic mass of copper is 63.546 amu.

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

A: Weight average of any element can be obtained by adding the product of mass of each isotope and its…

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: One isotope has a mass of 62.9296 amu (69.17% abundance). The other isotope has a mass of 64.9278…

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Q: Antimony has two naturally occurring isotopes: Sb-121, with mass 120.90 amu and a natural abundance…

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Q: Element: Uranium Mass Abundance Abundance Number of Neutrons Number of Name of isotope (amu) (%)…

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Q: - Rubidium has two naturally occurring isotopes, Rb-85 (rēlat and Rb-87 (relative mass 86.9092 amu).…

A: 35) Average atomic mass can be calculated by multiplying the % abundance of the isotope with…

Q: A specific isotope has 17 protons and 18 neutrons. What is the symbol for this element? 18 35.45 17C…

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

A: Average atomic mass is represented by the equation:

Q: A particular element exists in two stable isotopic forms. One isotope has a mass of 62.9296 amu…

A: Mass of one isotope (A) = 62.9296 amu.Abundance = 69.17% = 0.6917.Mass of second isotope (B) =…

Q: 13. Which pair represents isotopes? a. He and »He b. seFe and sa:Mn c. Si and suP 14. Which pair…

A: Identify isotopes pair among them --

Q: An unknown element has two naturally occurring isotopes with the following isotopic masses: X-205…

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Q: A new isotope is discovered that has a mass of 25 amu and 15 neutrons. What is the elemental…

A: Given that, Mass = 25 amu No. of neutron=15 Element ?

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

A: Dear student, you have not mentioned the atom for which the mentioned percentage is required. I am…

Q: Consider that element W has three naturally occurring isotopes with the following percent…

A: Given: Isotope with a mass number of 40 is 53.0% abundant; Isotope with a mass number of 44 is 27.0%…

Q: Which pair of atoms constitutes a pair of isotopes of the same element? O ax 6' 19 19 O b. 10 20X…

A: Isotopes are the species that contains same number of electrons and protons but different number of…

Q: Calculate the atomic weight of antimony, which has two isotopes with the following properties:…

A: The atomic mass of an element is result of weighted average of masses of its corresponding…

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

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

Q: Write the isotope symbol that fits the description, using a superscript for the mass number and a…

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Q: Write the complete chemical symbol (¿E) for the isotope of copper with the following individual…

A: Since the symbols are of copper isotopes. hence the Atomic number will be same for all four options…

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: 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: Consider the isotope nickel-60 which has the following nuclear symbol, nickel-60.  Which statement…

A: The nuclear symbol is 28Ni60.

Q: The weight of the hypothetical element Gg is 105.99 amu. Element Gg was found to have 3 stable…

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Q: A certain element consists of two stable isotopes. The first has a mass of 138 amu and a percent…

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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: A certain element consists of two stable isotopes. The first has a mass of 138 amu and a percent…

A: Given  Atomic mass of first isotope ( M1 )       = 138 amu  percentage natural abundance ( P1)     =…

Q: 5. Gallium has two naturally occurring isotopes with the following masses and natural abundances.…

A: The average atomic mass of an element having isotopes can be calculated from the formula given…

Q: What is the mass number of an isotope with an atomic number of 57 and that has 72 neutrons?

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Q: One isotope of an element has a mass of 65.183 amu and 72.23% natural abundance. Another isotope has…

A: Assume an element is X,  one of Isotope of X is X1 atomic mass is 65.183 amu and natural abundance…

Q: A certain element consists of two stable isotopes. The first has a mass of 113 amu and a percent…

A: To find out the mass of the element, multiply both mass of isotopes and their natural abundance. You…

Q: 1. Silver has two naturally occurring isotopes with the following isotopic masses: 107 107 47 Ar…

A: Answer: To solve this question we have to use the relation between average atomic mass and %…

Q: Calculate

A: We will calculate average atomic mass

Q: A fictitious element Z has an average atomic mass of 223.67 u.223.67 u. Element Z has two naturally…

A: Given: Atomic mass of element Z = 223.67 u There are only 2 naturally occurring isotopes of element…

Q: A new element has been discovered with two isotopes having masses of 84.63 amu and 90.63 amu. The…

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Q: A certain element consists of two stable isotopes. The first has a mass of 68.9 amu and a percent…

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Q: An isotope of lead (Pb) has 122 neutrons. The mass number of this isotope is a. 204 b. 82 c. 288…

A: The solution is as follows :

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.