An element has a atomic number of 69 and a mass number of 120. This element undergoes γ ray emission. The atomic number of the element formed is:

Q: What happens to the mass number and the atomic number of an element when it emits gamma radiation?…

A: The atomic number is the number of protons in the nucleus of an atom. An atom can be radioactive…

Q: What element is most commonly used in the production of nuclear energy?

A: Answer -  Nuclear energy - Nuclear energy is the energy in the nucleus, or core, of an atom. A…

Q: 1) Write a balanced equation for alpha decay of meitnerium. 2) Write a balanced equation for alpha…

A: Balanced the given nuclear reaction under the given condition--

Q: atium-90, ause of it: alf-life ot

A: Given data set: Half-life of strontium90 = 28.1 years Mass of strontium90 =  5.2 ng = 5.2*10^-9 g We…

Q: Calculate the mass defect and binding energy of lithium-7. Themass of lithium-7 is 7.016003 amu.

A: Binding energy per nucleon. E= △E/A = △m(931)/A​△m=(3Mp +4 n)− Mass of 3 Li 7  Where,Mp is the mass…

Q: Write a balanced nuclear reaction for alpha decay of californium-250 (250CH), element 98. Write a…

A: The change in the identity of an atomic nucleus, due to bombarding it with an energy particle is…

Q: The nuclear symbol for a beta particle is________ The name for the greek letter α is _________.…

A: To solve this problem first we have to know the symbol used in nuclear reaction then we will know…

Q: How does Hydrogen's atomic size and ionization energy level affect it's chemical properties?…

A: Hydrogen is non-metal and it makes the hydride anions so, due to this reason sometimes it also…

Q: Cesium-137 is a strong beta emitter. That means it   becomes positively charged   becomes…

A: Cesium-137 is a strong beta emitter. That means it

Q: Plutonium­239 is the fissionable isotope produced in breeder reactors; it is also produced in…

A: Nuclear  chemistry is the branch  of chemistry deals with the radioactivity , nuclear process and…

Q: Europium-141 undergoes a radioactive decay according to the equation provided. a) Balanced the…

A: The above reaction is a radioactive decay where a positron emission occurs. In positron emission the…

Q: The mass of a hydrogen atom (1/1 H) is 1.007825 amu; that of a tritium atom (3/1 H) is 3.01605 amu;…

A:

Q: An element has a atomic number of 71 and a mass number of 101. This element undergoes β-minus decay.…

A:

Q: Alpha decay produces a new nucleus whose ________ than those respectively of the original nucleus.…

A: Alpha decay reactions are those reactions in which an alpha particles is remove from the parent…

Q: A rare decay mode has been observed in which 222Ra emits a 14C nucleus. Find the energy emitted in…

A: Introduction- Radioactive decay- The atoms of heavy elements like Uranium, Thorium, polonium, and so…

Q: A dangerous radioactive element is to be used in a medical procedure at a hospital. Its half-life is…

A: Half life of radioactive element = 4 hours. Initial mass of radioactive element = 100 gm

Q: Potassium ion is present in foods and is an essential nutrient in the human body. One of the…

A: Since your question has multiple sub-parts, we will solve only first three sub-parts for you. If you…

Q: radioactive decay is most pro

A: Isotopes are chemical species with the same mass number but different atomic numbers. Unstable…

Q: self-styled archaeologist is trying to sell your museum an artifact that they claim dates back to…

A: The questions is based on the concept of radioactive decay. We have to calculate age of the sample…

Q: Potassium ion is present in foods and is an essential nutrient in the human body. One of the…

A: (a) The atomic number of K (number of protons) = 19 Mass number of 40 K (number of protons +…

Q: fuel for a thermonuclear bomb (hydrogen bomb) is lithium deuteride, a salt composed of the ions Li*…

A:

Q: decay ma emission = of the choices

A: Instable isotopes generally decay to convert into stable nuclei and release a lot of amount of…

Q: Write a nuclear equations for:    c. alpha decay of thorium-231.  d. beta decay of actinium-228.

A: Alpha Decay: In this decay process, the atomic mass (A) of the element is decreased by 4 and the…

Q: What happens to the mass number and the atomic number of an element when it undergoes beta decay? No…

A:

Q: Each of the following nuclei undergoes either beta decayor positron emission. Predict the type of…

A: Introduction- Radioactive decay- The atoms of heavy elements like Uranium, Thorium, polonium, and so…

Q: To make indium-111 for diagnostic work, silver-109 is bombarded with particles. What isotope forms…

A:

Q: Calculate the amount of energy released, in kilojoules per gram of deuterium (²H), for the fusion…

A:

Q: An element has a atomic number of 66 and a mass number of 108. This element undergoes β-minus decay.…

A: Given, an element has an atomic number of 66 and a mass number of 108.

Q: If radium-223 has a half-life of 10.33 days, what time duration would it require for the activity…

A: Here we are required to find the time for  activity of the  sample to decrease 1.5% of its present…

Q: How are chemical and nuclear reaction are similar or different in the following aspects: a)…

A: Chemical reaction-  chemical reaction is a process in which one or more substances, also called…

Q: 23. Which of the following is not the result of nuclear decay? an unstable atom changes its identity…

A: Nuclear decay is the process by which an atomic nucleus becomes unstable and radiates energy…

Q: How to predict the probably mode of decay for? a. Americium-243 B. Nickel-59 C. Oxygen-21

A: Nuclear reaction can be defined as a reaction in which the structure of an atomic nucleus get…

Q: Part of the actinium radioactive series is represented in the diagram below: The symbols below the…

A: In this radioactive decay happen of three types 1. In Alpha decay atomic number decrease by 2 unit.…

Q: Whether or not the process is observed in nature, which of the following could account for the…

A: electron capture positron emission alpha decay beta decay   All these are nuclear recations.

Q: What happens to the mass number and the atomic number of an element when it undergoes beta decay? A.…

A: When an element undergoes beta decay, the nucleus of the atom emits the equivalent of an electron.…

Q: 9. As a result of the process of electron capture by Po-200, the new isotope formed is [A] Po-201…

A: Electron capture is done by an unstable nucleus to convert itself into a stable nucleus. In electron…

Q: Zirconium-100 emits beta particle as it disintegrates. What is the isotope name after it decays…

A: Beta decay can be defined as the radioactive decay in which a beta particle is emitted from an…

Q: , or A Germanium-68 (Ge68)/Gallium-68 (Ga68) radionuclide generator is milked, or eluted, on…

A: Option b is correct answer. B.  That same day , Thursday, at 12 noon.

Q: All the elements in the periodic table are not radioactive. Why? Explain with suitable examples.…

A: Radioactive elements are those whose nuclei are unstable. They give off atomic radiation so as to…

Q: A radioactive isotope undergoes α-emission producing Bi-214. What was the isotope?   At-214…

A: Here, we have to find the isotope that undergoes α-emission to produce Bi-214.

Q: Write equations for the following examples of radioactive decay: a) a emission by 230U b.) B¯…

A: Given radioactive decays are : a). α emission by 92U230  b). β- emission by 10Ne24  c). β+ emission…

Q: A 4 7Be atom (mass = 7.0169 amu) decays into a 3 7Li atom (mass = 7.0160 amu) by electron capture.…

A: The energy produced in the above nuclear electron capture process is given below

Q: Thorium -231 is the product of alpha emission. Its radioactive and emits beta radiation. Please…

A: The parent nucleus of Th-231 and the daughter product of Th-231 decay has to be given,

Q: What product is formed when radium-226 undergoes alpha emission?

A: Nuclear chemistry is a branch of science which deals with the decay process of atomic nuclei. It is…