A hypothetical element has two isotopes: I = 62.00 amu and II = 66.00 amu. If the atomic mass of this element is found to be 63.81 amu, which isotope must be more abundant? isotope II both isotope must be equally abdunant  more information is neeeded to determine isotope I

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

A: Average atomic mass: The average atomic mass of an element is the sum of the masses of its isotopes,…

Q: Determine the atomic mass (in g/mol) of an isotope using the following info: mass of an isotope…

A: Answer: First of all we will find out the number of moles in 2.97×1022 atoms. After that, by using…

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: An element has two naturally occurring isotopes. One is 10.013 amu and is 19.9 % abundant. The other…

A:

Q: Isotopes means; same element can have different masses.

A: Isotopes mean;  same element can have different masses: True Explanation:  Isotopes are a family of…

Q: Copper has only two naturally occurring isotopes, Cu-63and Cu-65. The mass of Cu-63 is 62.9396 amu,…

A: The relative abundance of each isotope of an element can be determined using the following formula:…

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: A sample of atoms has an average atomic mass of 188.2 amu. If this sample consists of two naturally…

A:

Q: The two naturally occurring isotopes of boron, boron-10 and boron-11, have masses of10.0129370 u and…

A: Atoms that have the equal number of protons but distinct numbers of neutrons are termed as isotopes.…

Q: 5. A sample of Rb recovered from a nuclear reactor has an unusual distribution of isotopes. If the…

A: Average atomic mass is the sum of products of mass of each isotop and it’s natural abundance. It can…

Q: There are only two naturally occurring isotopes of antimony: 121Sb (120.90 amu) and 123Sb (122.90…

A: Given that: Atomic weight of isotopes of Antimony is, Sb-121 = 120.90 amu Sb-123 = 122.90 amu Atomic…

Q: Consider bromine, which occur as a mixture of two isotopes: bromine-79, with natural abundance of…

A: Given: The abundance of Br-79=50.7% The abundance of Br-81=49.3% The atomic mass of Br-79=78.92 amu.…

Q: An element has three isotopes with the following masses and percent natural abundances. Determine…

A: Given that,

Q: Which of the following is NOT a true about atomic mass? 1) The atomic mass is 12 g for magnesium. O…

A: The atomic mass of an atom is the sum of the masses of protons, neutrons, and electrons present in…

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

A:

Q: Thillium has two stable isotopes, T1 203 and T2 205.Knowing that the atomic weight of thillium is…

A:

Q: The average atomic mass of Y is 54.6 . one isotop has an atomic mass of 53 and the other isotop has…

A: •Given:- Average atomic mass of Y =54.6 Isotope 1 mass (m1)= 53 Assume isotope 1 abundance(x1) is…

Q: 2. In the previous example, you added 4 Boron-11 isotopes to 1 Boron-10 to make the average atomic…

A: given, to form a mixture, we added number of boron-11  = 4  number of boron- 10 = 1

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: Consider an element Z that has two naturally occurring isotopes with the following percent…

A: average atomic mass= ∑%abundant×Molar mass/100 using this we can calculate the average atomic mass…

Q: For the specific isotope ion 184w4+, fill in the missing information below: Isotope symbol: 184w4+…

A: Yes this is correct  Explanation atomic number of Tungsten =W = 74   a)The number of protons in an…

Q: An element has two naturally occurring isotopes. One has an abundance of 37.4% and an isotopic mass…

A: Two naturally occurring isotopes.i. Abundance of 37.4% and an isotopic mass of 184.953 amuii.…

Q: Copper has 2 stable isotopes, namely Cu-63 and Cu-65. The atomic masses of the said isotopes are…

A:

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

A:

Q: Natural gallium, which has an atomic weight of 69.7230 amu, consists of gallium-69 and gallium-71…

A:

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: An element X exists as two isotopes - 88X and 90X and weigh 87.95 amu and 89.95 amu, respectively.…

A:

Q: Two isotopes of boron are found in nature: 10B has a mass of 10.01 amu, and 11Bhas a mass of 11.01…

A: Given: The atomic mass of 10B, an isotope of boron, is 10.01 amu. The atomic mass of 11B is 11.01…

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: A hypothetical element has 3 stable isotopes. The masses of the isotopes and percent abundance of…

A: The percentage abundance is the amount of isotope in nature. The higher the percentage abundance,…

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: Thallium has two stable isotopes, 203TIand 205TI. Knowing that the atomic weight of thallium is…

A:

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

A:

Q: Potassium (K) has two stable isotopes: 39 and 41K. Based on the average atomic mass of potassium…

A: The average atomic mass of an element is calculated by taking the weighted average of the masses of…