The mass of a single atom of iron-56 is 55.93494 amu. Why is this number different from the mass of the nucleus

Q: How many protons, neutrons and electrons are in one atom of 70/30Zn?

A: We have given that  atom   3070Zn   We know that Representation of an element                Z AX…

Q: What notations are commonly used to specify isotopes?What do each of the numbers in these symbols…

A: ANSWER

Q: Describe the forces acting on the particles within a nucleus and explain whyneutrons are the glue…

A: The forces acting on the particles within a nucleus and the reason why neutrons are the glue holding…

Q: A fictional element Ho has two stable isotopes and an average atomic mass of 18.357 amu. Use the…

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Q: A neutron and a proton combine to form a nucleus why does the mass. Of the nucleus differ from the…

A: Given: A neutron and a proton combine to form a nucleus. And the mass of the nucleus differ from the…

Q: Calculate What is the difference expressed in kilograms between the mass ofa proton and the mass of…

A: Kilogram is the SI unit of mass. Mass of protons is 1.67×10-27Kg. Mass of electrons is…

Q: How many protons and neutrons are present in an atom of 39/19K?

A: Number of protons and neutrons in an atom of  39/19K

Q: What is the change in mass of 180 Ta when it is formed from protons, electrons and neutrons if the…

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Q: stable isotopes, with low atomic numbers, have a N/Z ratio of 1. What does that imply

A: N/Z ratio - It is the ratio of the number of neutrons to the number of protons of the nucleus of an…

Q: 2. In a certain fission reaction, U-235 (atomic no 92) reacts with a neutron to form Cesium- 138…

A: Balanced nuclear equation is the equation in which the sum of subscripts as well as sum of…

Q: What is an isotope? How are isotopes denoted?

A: Molecular mass is the sum of protons and neutrons of an atom. In the modern periodic table, the…

Q: NUCLEAR CHEMISTRY: Consider the nuclei 117, 50Sn. Determine its mass defect in kilograms if its…

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Q: One atom of Se-77 is 6.410 times as heavy as an atom of C-12. What is the atomic mass of Se-77?

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Q: Besides number of neutrons, what else do isotopes of the same element have that is different?

A: Isotopes are the variation of chemical elements that have the same number of protons but a different…

Q: Which particles account for most of an atom’s mass?

A: Atoms are the fundamental unit of matter consisting of neutrons, protons and electrons.

Q: How many protons, neutrons and electrons are present in an atom of 40Ca and 119Sn ?

A: The atoms considered are 40Ca and 119Sn.

Q: 9. Which isotope is used in many smoke detectors for homes and businesses to measure levels of toxic…

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Q: What is the mass number of xenon-127?

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Q: What is the mass number of zinc-68?

A: The Answer to the the following question is given as:

Q: Using atomic notation, indicate the isotope having 26 pt, 32 nº, and 26 e-.

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Q: 244Pu undergoes radioactive decay, emitting 4 alpha particles and 5 beta particles. What is the…

A: An alpha particle is equivalent to a Helium atom A beta particle is similar to an electron

Q: Mass number 246; 156 neutrons symbol

A: Mass number is the sum of number of protons and neutrons in an atom.  Atomic number is the number is…

Q: A sample of Fe_20_3 (MW= 159.69 g/mol) has a mass of 0.277 g. What is the mass of Fe in the sample?…

A: Molar mass of compound is individual sum of atomic mass of each atoms present in compound

Q: In the notation 289 115 Mc, the number 289 is the 3 number of electrons atomic number atomic mass…

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Q: the mass of a single atom of iron-56 is 55.93494 amu. Why is this number different from the mass of…

A: Actual mass of nucleus is always lesser than the total mass of it's constituting element proton and…

Q: What is the nuclear symbol for a radioactive isotope of copper with a mass number of 60?

A: The atomic number of copper is 29 and the mass number of radioactive isotope of copper is given as…

Q: NUCLEAR CHEMISTRY: Consider the nuclei 117, 50Sn. Determine its mass defect in kilograms if its…

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Q: Indi cate of protons and neutrons in the following nuclei: the number b) 201 Hg

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Q: The radius of Uranium-238 nucleus is about 7.44 × 10-3 pm. Calculate the density of the nucleus (in…

A: Given: The radius of uranium-238 =7.44×10-3 pm Atomic mass of uranium = 238 amu

Q: An isotope with atomic number 64 and mass number 158 is found to have a mass ratio relative to that…

A: Given An isotope has an atomic number of 64 and mass number of 158 It has a mass ratio of 13.16034…

Q: What is the mass number for an atom of osmium containing 76 protons and 112 neutrons?

A: The number of protons in the nucleus of the atom is equal to the atomic number (Z). The number of…

Q: How many protons and neutrons are in the nucleus of Kr-80?

A:

Q: The atomic mass of rhenium is 186.2. Given that 37.1% of natural rhenium is rhenium-185, what is the…

A: Average atomic mass = ∑i=1n (mass of ith isotope)(% abundance of ith isotope)100 Where "n"…

Q: Why are atoms, neutrons, and protons not considered elementary particles? and why is electrons…

A: Atoms are the basic building blocks of any element.

Q: What I still pass 15 protons 15 electrons and 17 neutrons?

A: Isotope:

Q: Determine the number of protons and the number of neutrons in isotope. 22286Rn

A: An element consists of same type of atoms. An atom is composed of certain sub-atomic particles;…

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

A: Here, we have to calculate the number of protons and neutrons of the following isotopes: (a)…

Q: Complete the following nuclear equations.  Write the mass number and atomic number for the remaining…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: 1. Indicate the number of protons and neutrons in the following nuclei: (a) Mn, (b) 201Hg, (c)…

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Q: Why is the mass corresponding to a mole of one element different from the mass corresponding to a…

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Q: 130TE2 number of protons number of neutrons number of electrons number of nucleons

A: The symbol of the element Tellurium represented as130Te522- In the above symbol 52 is the atomic…

Q: if a particle has a mass 5.7661x10^-28 kg, what would its mass be in amu?

A:

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

A: Consider the given information is as follows; 1 n0 = 1.008665 amu1 amu = 1.660538×10-24 g1 mole =…

Q: What would be the approximate mass of a particle that has 48 electrons, 46 neutrons and 52 protons?

A: No of electrons = 48 No of neutrons = 46 No of protons = 52

Q: Give the number of protons and neutrons in the nucleus of boron-11

A: The number of protons and neutrons in the nucleus of boron-11 is to be determined.

Q: How many moles of carbon are there in a diamond weighing 2.11g

A: Mole is defined as a unit of measurement for the amount of substance in the International System of…

Writing and Balancing Nuclear Equations

A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.