Uranium-235 is used in nuclear fission. Determine the number of protons and the number of neutrons in uranium-235 and write its symbol in the form AZX.

Q: The metal magnesium consists of 3 isotopes with the following atomic masses and abundances: 24Mg -…

A: Given,  24Mg - 23.99 amu (78.70%) 25Mg - 24.99 amu (10.13%) 26Mg - 25.98 amu (11.17%).

Q: One way in which Earth’s evolution as a planet can be understood is by measuring the amounts of…

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Q: Each of the following isotopes is used in medicine. Indicate the number of protons and neutrons in…

A: Number of protons = Z Number of neutrons = A - Z Here, Z is the atomic number and A is the atomic…

Q: In a naturally occurring sample, 19.8% of boron atoms have five neutrons and 80.2% have six…

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Q: A common isotope of Li has a mass number of 7. The atomic number of Li is 3. How can this…

A: The lithium atom has atomic number three, and the number of protons in the nucleus of lithium is…

Q: Which of the following shows the correct number of protons, neutrons, and electrons in a cadmium…

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Q: Bromine has two naturally occurring isotopes (Br-79 and Br-81) and has an atomic mass of 79.904 amu.…

A: The given data contains, Atomic mass of Br = 79.904 amu. mass of isotope 81Br = 80.9163…

Q: we determine the average atom + mass of Cl-37 75.78 ) + (36.966 amu 24.22 100 100

A: Average atomic mass =    = M1X1+M2X2/100  M1 and M2 are atomic masses and X1 & X2 are prevent…

Q: Consider a rectangular piece of printer paper that is 8.5’’ x 11’’ (’’ denotes inches). In order to…

A: Given, Dimension of paper  = 8.5’’ x 11’’ Mass number of hydrogen atom = 1

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 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 amount of carbon-14 in ancient artifacts and fossils is often used to establish their age.…

A: Given, the amount of Carbon-14 in ancient artifacts and fossils is often used to establish their…

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: What is the relative atomic mass of the element that consists of the following isotopes in the…

A: Given,

Q: Fill in the information missing from this table. nuclide 0 0 103 45 Rb protons 53 0 neutrons 74 0…

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Q: Nitrogen has two isotopes, N-14 and N-15. The isotopic masses of these isotopes are 14.0031 amu and…

A: Let consider x and y be the abundance of N-14 and N-15 isotopes of nitrogen respectively. Then we…

Q: Naturally occurring uranium consists of two isotopes, whose masses are shown below: Isotope Mass…

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Q: 25 12

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Q: 2. Suppose an element consisted of three naturally occurring isotopes. The reported average mass for…

A: The study of isotopes and their contributions to the overall properties of elements is a fundamental…

Q: Potassium has three naturally occurring isotopes.  According to one source of data, Potassium-39…

A: Average atomic mass of Potassium  = (38.9637 × 0.9326 ) amu + (39.9640 × 0.0001 ) amu + ( 40.9618 ×…

Q: A hypothetical element exists as two isotopes: I = 92.00 amu and II = 98.00 amu. If the atomic mass…

A: Suppose fraction of isotope I = A Fraction of isotope II = (1 - A) Atomic mass = A x atomic mass of…

Q: Explain the difference between an atom of xenon-130 and an atom of xenon-136. Give how many protons,…

A: Given :-  Two isotopes of xenon i. e.  Xenon-130 and Xenon-136  To explain :- difference between two…

Q: suppose an element consisted of two isotopes with the masses 89.9 amu and 91.1 amu. If 1.500 x 10^-3…

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Q: Give the number of protons, neutrons, and electrons for 5°C0 protons neutrons electrons

A: Given, Element : Cobalt (59Co) Mass number of Co = 59 Atomic number of Co = 27 Number of protons = ?…

Q: Uranium has three isotopes : uranium-233, uranium-235, and uranium-238. Compare the number of…

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Q: Pb has an average atomic mass of 207.19 amu. The three major isotopes of Pb are Pb-206 (205.98 amu);…

A: In order to calculate the percent abundance of the isotopes we have to make use of average masses of…

Q: A generic element, G, is composed of two isotopes, ¹32G and 128G. 132G has a natural abundance of…

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Q: At some point in the future, nuclear chemists have synthesized two stable isotopes of bohrium.…

A: Since average mass of the element is given so we can easily calculate the fraction of each isotope…

Q: There are only two naturally-occuring stable isotopes of chlorine. The mass and natural abundance of…

A: The average atomic mass of element is equal to the product of the masses of the isotope and its…

Q: Bromine has two stable isotopes: 79Br and 81Br with masses of 78.9183371 amu and 80.9162906 amu. If…

A: In this question we have to tell the the Mass of 79Br in 10 gram of Br which has 79.904 amu mass.

Q: An element has a mass of 207 and has 125 neutrons in its nucleus. How many protons and electrons…

A: The smallest unit that retains an element's attributes is defined as an atom. Atoms can't be created…

Q: Which of the following has 61 neutrons, 47 protons, and 46 electrons? O 108 Ag+1 108Cd*1 B0Pm O…

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Q: An atom has a diameter of 2.50 Å and the nucleus of that atom has a diameter of 6.00 x 10-5 Å.…

A: There two questions to be solved and both of them are numerical aptitude type we have provided the…

Q: What is the name of this element, and how many protons and neutrons does this isotope have in its…

A: The objective of the question is to write the name of the given element and to find the number of…

Q: The planet Zoltan is located in a solar system in the Andromeda galaxy. On Zoltan, the standard unit…

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Q: A new element Z has been discovered.  There are 2 isotopes of this element: Z-121 which has an…

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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.