atomic mass of weapons-grade uranium assuming the percentages are exact?

Q: What is the primary factor that determines whether an nucleus is stable or unstable?

A: The nucleus is the small region that lies at the center of an atom. It is discovered in 1911 by…

Q: We use nuclear reactors for making   radioactivity   electricity   nuclear weapons…

A: Nuclear reactors are used for

Q: Where are elements heavier than helium created?

A:

Q: Define the term Neutron-to-Proton Ratio?

A: To find: The Definition of Neutron-to-proton ratio

Q: Write the nuclear symbol for nitrogen-15.

A: Atomic structure: Atomic Number=Number of Electrons=Number of Protons Mass Number=Number of…

Q: What is the difference between Uranium - 235 and Uranium - 238? Which one is more desirable? What…

A: Uranium-235 is Unstable and it contains 92 protons and 143 neutrons. Therefore, the atomic mass of…

Q: 10. americium-241, alpha 11. cesium-137, beta minus + 12. sodium-22, beta plus В +1 + +

A: The decay process involves the breaking of a heavier nucleus to furnish one or more daughter nuclei…

Q: Uranium-235 isotopes absorb neutrons, causing the U-235 to become unstable and split into two…

A: When a nuclei uranium-235 is hit with a slow-moving neutron, the nuclei absorbs it and temporarily…

Q: Complete and balance the following equation. Plutonium-239 + alpha particle → ________ + neutron…

A:

Q: The radioactive element francium undergoes a series of nuclear decays, eventually forming a stable…

A: Alpha DecayXZA - H24e  → YZ-2A-4          ↓         ∝Beta decaye.g C614   - e-10    → N714

Q: nuclear

A:

Q: During a nuclear decay a 238U atom can break apart into a helium-4 atom and one other atom. Assuming…

A: The property of a nucleus emitting α, β and γ rays is known as radioactivity and the substance…

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: What is the mass number of xenon-127?

A:

Q: Complete the following nuclear equations. 239 Pu 94 Не He 96 235 Cm 235 U 92 235 Cm 96 92 U 235

A: This is alpha decay which is expressed by simpe chemical reaction as shown..

Q: PART II: Balance the nuclear equation by identifying the right particle or isotope ONLY + Sr + 4¿n…

A:

Q: radioactive

A:

Q: ng nuclear equations.

A:

Q: What is meant by the half-life of a radioactive element?

A: The elements which have an unstable nucleus in their atoms and hence to get stability they emit…

Q: The first atomic explosion was detonated in the desert north of Alamogordo, New Mexico, on July 16,…

A:

Q: What is a neutron?

A: Number of neutrons in an atom = mass number - atomic number

Q: stable

A: Hydrogen consists of three isoptopes namely protium, deuterium and tritium. Protium consists of one…

Q: Which of these families has only radioactive elements? * > ><

A:

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: Unstable isotopes are not radioactive. O True O False

A:

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

A:

Q: Define radioactive isotope

A: Isotopes are variants of a particular chemical element which differ in neutron number, 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: 2. Balance the nuclear reaction that allows for radiocarbon dating is the continual formation of…

A:

Q: What is the universal symbol for radioactive materials and radioactive waste?

A: Radioactive substances are very hazardous substances.  So they have to be handled properly at all…

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: Explain what part of an atom undergoes change during radioactive decay.

A: Explained as follows

Q: True or False: The ratio of unstable isotopes to stable isotopes is part of absolute-age dating.

A: There are two methods of dating: 1) Relative age dating 2) absolute age dating Relative dating- It…

Q: Positron emission by Co-55 produces an isotope with what atomic number?

A: We have Co-55 , we have to predict the atomic number ,after the positron emission .

Q: Write down the nuclidic symbol and percentage abundances of all the nuclides having atomic number 7,…

A: To find: The nuclidic  symbol and percentage abundance of nuclides having atomic number 7, 23, and…

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: Consider to isotopes Fe-54 and Fe-56. a. write the nuclear symbol for both isotopes. b. how do…

A: The given isotopes of iron are - Fe-54 and Fe-56 In the given information Fe represent the atomic…

Q: Complete the following nuclear equations. 239 Pu 94 235 Cm 96 96 235 Cm 235 U 92 92 U 235

A: Alpha decay: Alpha decay is a process of nuclear decay in which the unstable nuclei is converted…

Q: Which of the statements are true of nuclear reactions? a. The number and types of atoms are the…

A: Nuclear reaction: The given reaction is a nuclear reaction. In the nuclear reaction, one nuclide is…

Q: NUCLEAR CHEMISTRY: Consider the nuclei 1150 Sn. Determine its mass defect in kilograms if its atomic…

A:

Q: Natural uranium consists almost entirely of 238U. To operate a nuclear power reactor, the fuel must…

A: Isotopes are atoms of the element with same atomic number and different atomic masses. So in these…

Q: What are Cathode rays?

A: Given information,      Cathode rays

Q: When the number of protons or neutrons changes, what type of reaction took place? A.…

A: When the number of protons or neutrons changes, what type of reaction took place?

Q: Barium -142 would have how many neutrons in its nucleus

A:

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.