Enter your answer in scientific notation. Be sure to answer all parts.   The radius of a uranium−235 nucleus is about 7.0  ×10−3 pm. Calculate the density of the nucleus in g/cm3. Assume the atomic mass is 235 amu. Be sure to report your answer to the correct number of significant figures.

Q: Ga-67, an isotope of gallium (Ga), is used medically to scan for various tumors. How many protons…

A: Number of protons is equal to atomic number in a atom. Mass number is the sum of protons and…

Q: The two naturally occurring isotopes of chlorine (chemical symbol: Cl) are: 3517Cl1735Cl  and…

A: Answer:- The abundance is calculated using the given average atomic mass using the simple formula.…

Q: If you wanted to make an accurate scale model of the hydrogen atom and decided that the nucleus…

A: Answer :

Q: Find the density of a neutron star with a mass of 1.97 solar masses and a diameter of 13 km, and…

A: Conversion units: 1 solar mass = 1.989×1030 kg 1 fm = 10-15m 1 km =1000 m 1 amu = 1.66×10-27 kg…

Q: Neon consists of three isotopes, Ne-20, Ne-21, and Ne-22. Their abundances are 90.48%, 0.27%, and…

A: GIVEN  Ne 20, Ne 21,Ne 22 are three isotope of Neon  Abundance: Ne 20 ( 90.48%) ,Ne 21 (0.27%), Ne…

Q: Two samples of carbon monoxide are decomposed into their constituent elements. One sample of liquid…

A:

Q: Consider 100.0-g samples of two different compounds consisting only of carbon and oxygen. One…

A: According to the law of multiple proportions when two elements react together to form more than one…

Q: Describe a mass spectrometer in 50 words (or formulas or chemical equations, etc) or less.

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Find the mass of 1 atom of Chlorine in gram.

A:

Q: 3. Let's try out the atomic mass equation. Suppose you have a mixture of two nitrogen isotopes. For…

A: To calculate the atomic mass of N.

Q: I am working on question 25 of chapter 2 in the chemistry openstax second edition.  The question is…

A: The equation is correct. In the equation x is the fraction of isotope with atomic mass 10.0129 amu…

Q: A 45.62-gram sample of calcium hydrogen sulfate [Ca(HSO4)2] would contain how many total atoms? Is…

A: Answer:- This question is answered  by using the simple concept of calculation of total number atoms…

Q: Sulfur and fluorine form several different compounds including sulfur hexafluoride and sulfur…

A: Reaction of formation of SF6 is as follows: Mass of Fluorine per gram of Sulphur in Sulfur…

Q: 5. Boron exists as two isotopes, Boron-10 and Boron-11. The average atomic mass for boron on found…

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Q: Convert each given mass to number of representative particles. Identify thetype of representative…

A: a) 4.56×103 g Si Number of particles means number of molecules. Since, Number of particles in…

Q: How many copper (Cu) atoms are contained in a pure copper penny that weighs 12.5 grams?…

A: Consider the given information is as follows; Mass of pure copper penny = 12.5 g Atomic mass of Cu =…

Q: Boron has an average atomic mass of 10.81. One isotope of boron has a mass of 10.012938 and a…

A:

Q: For the following atoms, give the number of protons, neutrons, and electrons: Part C Si Express your…

A: The number of protons in an atom is equal to the atomic number of that atom. In a neutral atom, the…

Q: 1.) The measured mass of a sample would have which of the following units? A) g/cm B) g/mol C) g/cm3…

A: Four questions of MCQ type which are to answered.

Q: Given the number of protons and neutrons in the nucleus of the given elements, make a diagram on how…

A: To make a diagram on how the nucleus was fused with another nucleus to form heavier elements. H11 +…

Q: If the radius of a neutron is 1.0 x 10-13 cm, calculate the density of a neutron in g/cm3 . (volume…

A: Given, radius(r) = 1.0 × 10-13 cm we know that the neutron is spherical in shape so the volume of…

Q: Uranium -235 is the isotope of uranium commonly used in nuclear power plants . How many (a) protons…

A: NOTE : Since you've posted a question with multiple sub-parts,we'll solve first three sub-parts for…

Q: Complete and balance the following equations. Click in the answer box to open the symbol palette. 1…

A: Since,  We know that,  Balanced equation means number of proton and mass number in reactant side is…

Q: Calculate the mass of a gold-197 atom using the information from question 9 and the masses of the…

A: The ratio of mass to the volume of the solution is known as density.

Q: 2) The spherical atomic nucleus of potassium has a radius of about 4 x 10-13 cm.; 6.02 × 1023 of…

A:

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: - Compare Two compounds that contain copper and chlorine have the following masses: Compound A:…

A:

Q: Part A Determine the number of protons and neutrons in each of the following isotopes. Enter your…

A: Part B Given    87Fr223  To find number of protons Np and number of neutrons Nn .

Q: Is the underlined part of the macroscopic domain, or the microscopic domain of chemistry ? A carbon…

A: The term macroscopic refers to the objects that can be seen by the naked eyes. Macroscopic is just…

Q: i do know what else to do, that is the question

A: The law of definite composition states that any chemical compound will always contain a fixed ratio…

Q: Two samples of sodium chloride with different masses were decomposed into their constituent…

A: Law of definite proportion :  The law states that a compound has its elements in a fixed ratio…

Q: true or false (h)  All atoms of the same element have the same number of electrons.  (b) All atoms…

A: h) All atoms of the same element have the same number of electrons. The given statement is False.…

Q: Antimony has two naturally occurring isotopes. The mass of antimony-121 is 120.904 amu and the mass…

A: Given,

Q: . Zinc has 2 isotopes and has an atomic mass of 65.39. one of the isotopes is 64.23amu (26.0%). what…

A: As per our guidelines , we can only solve first question. Please resubmit other questions as next…

Q: 1. The diameter of a neutral Helium atom is about 1 x 102 pm. Suppose we could line up Helium atoms…

A:

Q: The two naturally occurring isotopes of antimony are ¹2¹ Sb and 123Sb whose exact isotopic masses…

A: Given: Average atomic mass of Sb = 121.8 amu Isotopic mass of 121Sb = 120.904 amu Isotopic mass of…

Q: An atom has a diameter of 1.50 Å and the nucleus of that atom has a diameter of 3.00×10−5 Å.…

A:

Q: A 12.29 g sample of NaBr contains 22.34% Na by mass. Considering the law of constant composition…

A: The law of definite proportion states that a given chemical compound always contains its component…

Q: Calculate the mass in grams of 1 neutron given the following conversion factors: 1 n° = 1.008665…

A: Given  1n0 = 1.008665 amu 1 amu = 1.660538 x 10-24 g

Q: Element Z has two naturally occurring isotopes. The isotope with a mass of 10.012 amu (10Z) has a…

A: Average atomic mass of element Z  = 10.012 amu × 0.1991 + 11.009 amu × 0.8009 = 10.810 amu ≈ 10.81…

Q: Fill in the blank using the following words: atom, atomic number, electron, proton, neutron, metal,…

A:

Q: 60. Silicon has three naturally occurring isotopes (Si-28, Si-29, and Si-30). The mass and natural…

A: For isotopes , total abundance of all isotope in total is 100% . So we can use given abundance of…

Q: 23. The two naturally occurring isotopes of antimony are 12"sb and 12sb whose exact isotopic masses…

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Q: Lithium has only two naturally occurring isotopes. The mass of lithium-6 is 6.01512 amu and the mass…

A: Lithium has only two naturally occurring isotopes. The mass of lithium-6 is 6.01512 amu and the mass…

Q: Determine the nuclear composition (number of protons and neutrons) of the following isotopes. (a)…

A: Since you have posted questions with multiple sub-parts, we are entitled to answer the first 3 only.…

Q: Two samples of sodium chloride with different masses were decomposed into their constituent…

A: Given: Mass of sodium in sample 1 = 2.91 g. And mass of chlorine in sample 1 = 4.48 g.