There are only two naturally occurring isotopes of antimony: 121Sb (120.90 amu) and 123Sb (122.90 amu). The atomic weight of antimony given in the Periodic Table is 121.75. Which of the two isotopes has the greater natural abundance?

Q: Almost all boron atoms are found in two forms: boron-10 and boron-11. Both isotopes behave alike…

A: Given, Boron atoms are found in two forms: boron-10 and boron-11 Average mass of B = 10.81 amu

Q: An element X exists as two isotopes - 46X and 49X and weigh 45.95 amu and 48.95 amu, respectively.…

A: Given :-  Atomic wt.of 46X = 45.95 amu  Atomic wt.of 49X = 48.95 amu  Average atomic wt.of X = 46.66…

Q: The atomic weight of Ga is 69.72 amu. There are only two naturally occurring isotopes of gallium: 69…

A: Given atomic weight of Ga is 69.72 amu

Q: The water found on Earth is almost entirely made up of the 'H and 1°0 isotopes for a formula of H20…

A: The different variants of a particular element, that are differed by the number of neutrons. In…

Q: 2. Bromine has two naturally occurring isotopes (Br-79 and Br-81) If the natural abundance of Br-79…

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Q: 1. The noble gas, neon, has three isotopes of masses, 22, 21, and 20. If the isotopes have the…

A: Average atomic mass calculation: (1) Consider the given information is as follows;…

Q: A newly discovered element consists of only two naturally occurring isotopes. Isotope A has an…

A: Given : There are two naturally occurring isotopes of an element. Atomic mass of isotope A = 204.5…

Q: The atomic masses of 6Li and 7Li are 6.0151 amu and  7.0160 amu, respectively. Calculate the natural…

A: Given data contains, Atomic mass of 6Li is 6.0151 amu. Atomic mass of 7Li is 7.0160 amu. Average…

Q: An unknown element is a mixture of isotopes 120X and 122X. The average atomic mass of X is 121.03…

A: ]Average atomic mass=Σ%abundance x mass of isotope100

Q: Assume that Element Q has the following three isotopes: 248 Q, 252 Q, and 259 Q. If the atomic mass…

A: Average atomic weight is the sum of the masses of the individual isotopes each multiplied by its…

Q: Iron exists in nature as a mixture of predominantly three isotopes: ⁵⁴₂₆Fe (53.94 amu), ⁵⁶₂₆Fe…

A: We have to calculate the percentage of rarest of three isotopes.

Q: Suppose we have three hypothetical atomic nuclei: A, B, and C. Nucleus A has 3 protons and 4…

A: According to the question, we have three hypothetical atomic nuclei:A, B, and C. Nucleus A has 3…

Q: There are two naturally occurring isotopes of europium, 151Eu (151.0 amu) and 153EU (153.0 amu). If…

A: Given : There are 2 naturally occurring isotopes of europium. Mass of 151Eu = 151.0 amu Mass of…

Q: The atomic weight of Cl is 35.45 amu. There are only two naturally occurring isotopes of chlorine:…

A: Given  The average atomic weight of Cl = 35.45 amu  The weight of 35Cl   = 35 amu  The weight of…

Q: 2. The element rhenium (Re) exists as two stable isotopes and 18 unstable isotopes. What does…

A: Answer: 75 Proton and 110 Neutron. Given,Element of Rhenium (Re) exist as two stable isotopes and 18…

Q: Bromine has only two natural isotopes, and they occur in about equal abundance.   If 79Br79Br is…

A: Average atomic mass of an element is obtained by the sum of the product of isotopic mass and natural…

Q: There are three stable isotopes of silicon: 28Si, 29Si, and 30Si. Their masses and natural…

A: We have three isotopes of Si  having abundance and mass, we have to calculate the weighted average.…

Q: What is the mass of iridium 2 most common isotopes and the numbers of protons and neutrons in each…

A: The elements which has same atomic number but different mass number is known as Isotopes. Iridium…

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

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Q: An element consists of two isotopes. The abundance of one isotope is 95.72% and its atomic mass is…

A: From given Mass and percentage is given . So average atomic mass is determined by using the formula…

Q: An unknown element is a mixture of isotopes ¹²⁰X and ¹²²X. The average atomic mass of X is 121.47…

A: For an element that exists as a number of isotopes, its atomic mass is calculated by taking an…

Q: What is the symbol for the isotope of 55 Fe that possesses 31 neutrons?

A: In isotope 55Fe there are 26 protons because the atomic number of Fe is 26, and the number of…

Q: The atomic masses of 10B and 11B are 10.0129 amu and 11.0093 amu, respectively. Calculate the…

A: The atomic masses of B10 and B11 are 10.0129 and 11.0093 respectivelyLet their natural abundances be…

Q: 7. If an element, “X" has two isotopes with the following masses and abundances: 46X = 45.974 amu ,…

A:

Q: Naturally occurring chlorine (Cl) consists of 2 isotopes, 35Cl and 37Cl. Their relative abundances…

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Q: Antimony, Sb (atomic mass 121.760 amu) has two stable isotopes: 121Sb (atomic mass 120.904 amu) and…

A:

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: A generic element, Q, has two isotopes, 195Q and 190Q, and an average atomic mass of 191.86 amu. The…

A: Given- Average atomic mass of Q = 191.86 amu Natural abundance of isotope 195Q = 38% Natural…

Q: Naturally occurring rubidium (Rb) consists of two isotopes: 85Rb (atomic mass 84.9117) and 87Rb…

A: Any chemical element's variants which are distinct in neutrons number but same in protons number are…

Q: 19. Two particles X and Y have the following composition: X: 17 protons, 18 neutrons, 17 electrons…

A: The question is based on the concept of atomic structure. there are various subatomic particles like…

Q: There are three isotopes of an element, X-28, X-29, and X-30, with relative abundances of 92.2297%,…

A: The mass number of Silicon = 30

Q: There are two naturally occurring isotopes of europium, 151Eu(151.0 amu) and 153Eu(153.0 amu). If…

A: Given information:Two isotopes of europium, 151Eu (151.0 amu) and 153Eu (153.0 amu)Atomic mass of Eu…

Q: Element X has two naturally occurring isotopes, 20X with a mass of 19.99 amu and 22X with a mass of…

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Q: The element Z has two isotopes; has an exact mass of 97.99 amu. If the average atomic mass of Z is…

A:

Q: 1. There are three naturally occurring isotopes of silicon: Si-28, Si-29 and Si-30. If Si-28 makes…

A:

Q: SCH3U Isotopes and Isotopic Abundance 1. What are the names, symbols, electrical charges, and…

A: (1) There are following three subatomic particles in an atom - Subatomic particle name Symbol…

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

A: the atomic mass of element "X" if it has two naturally occurring isotopes is Calculate by according…

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 unknown element is a mixture of isotopes 151X and 153X. The average atomic mass of X is 151.69…

A:

Q: On another planet, the isotopes of titanium have the given natural abundances. Mass (u) Isotope 46T¡…

A: The atomic mass and abundance of the isotopes of Ti given are,

Q: A hypothetical element exists as two isotopes: I = 68.00 amu and II = 71.00 amu. If the percent…

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Q: Rubidium has two naturally occurring isotopes: 85 Rb (atomic mass = 84. 9118 AMU)and 87 Rb (atomic…

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Q: Silver has two isotopes, one with 60 neutrons (percent abundance = 51.839%) and the other with 62…

A: Given: Silver has two isotopes. percent abundance of Isotope with 60 neutrons ( Ag47107 ) = 51.839%…

Q: what is the atomic mass of an unidentified element that has 2 naturally occurring isotopes with the…

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Q: An element X has two common isotopes: X-57 and X-59. If the average atomic mass of element X is…

A: An element has two isotopes : X-57 and X-59 Average Atomic mass = 58.876 amu

Q: Imagine that you are given information about an element X which has two naturally occuring isotopes.…

A: