QUESTION 7 was the first to make a theoretical model of the nucleus using the idea of a liquid drop. Carl Anderson Ernest Rutherford James Chadwick Niels Bohr

Q: Radon-222 releases an alpha particle. What element results and what is its mass number

A: Let us understand the problem at first The atomic number of radon-222 is 86 and the mass number is…

Q: 8. DETAILS OSCOLPHYS2016 8.6.P.049. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Ernest Rutherford…

A: As the helium nucleus is in motion , the energy of the nuclei will be kinetic energy , which is…

Q: Describe briefly the following: Under NUCLEAR PHYSICS, Photoelectric effect Atomic spectra…

A: 1. Photoelectric effect It is an experimentally observed phenomenon and gives us a picture of…

Q: The element boron absorbs neutrons very effectively, without scattering them very much. In a nuclear…

A: In nuclear fission reactions, the number of neutrons produced are in excess of the neutrons that get…

Q: One of the radioactive isotopes used in medical treatment or analysis is palladium-103. The…

A: Solution Given, half life of palladium(t1/2) = 17 days A0 = initial activity  At = activity at time…

Q: Californium-246 is formed by bombardment of uranium-238 atoms. If 4 neutrons are also formed, what…

A: Californium-246   The atomic number, Z=98   The atomic mass, A=246

Q: QUESTION 4 Discovery of artificially-induced radioactivity allowed to create new short-lives…

A: Artificially induced radioactivity is radioactivity induced by man made methods and it is the…

Q: Prove that alpha radiation is the emission of a helium nucleus.

A: Alpha decay or α-decay is a type of radioactive decay in which an atomic nucleus emits an alpha…

Q: discovered radium and spent many years collecting a fraction of a gram of substance in order to…

A:

Q: hoose an isotope and describe its radioactive decay process and how it is use

A:

Q: hoose an isotope and describe its radioactive decay process and how it is used. Write a minimum of…

A:

Q: Write two important limitations of Rutherford nuclear model of the atom.

A: Rutherford gives the model of the atom which was not accepted due to some limitations.

Q: At the beginning of an experiment, a scientist has 208 grams of radioactive goo. After 120 minutes,…

A: Given: Initial mass at t = 0, G(0) = 208 g After time t = 120 minutes, remaining mass, G(t) = 13 g…

Q: Strong nuclear force it involved with electron ß decay from the nucleus

A: Required :: If the Strong Nuclear force is involved in beta decay.

Q: QUESTION 2 Neutron was found in the experiments of bombarding material with alpha particles. iron…

A: To explain : How was the neutron discovered with the help of alpha particles

Q: Isotope X has a half-life of 100 days. A sample is known to have contained about 1,500,000 atoms of…

A:

Q: discovered neutron. O the Joliot-Curies O Niels Bohr James Chadwick O Otto Hahn

A: Answer : James Chadwick

Q: 2. The half-life of iodine-131 is 8.04 days. Calculate the percent of an iodine sample left after…

A: According to the radio active decay law N =N0e-λt                               ...1 N is the amount…

Q: In 1899, Ernst Rutherford discovered two types of radioactivity, alpha and beta rays, which differed…

A: The radioactive decay products we will discuss here are alpha, beta,  ordered by their ability to…

Q: Radioactive decay of unstable atomic nuclei is a first order process. The half life for the…

A:

Q: QUESTION 8 Who discovered artificial radioactivity? the Joliot- Curies O Otto Hahn O Enrico Fermi O…

A: Required  who discovered artificial radioactive.

Q: What is a radioactive isotope

A: Required : What are radioactive isotopes.

Q: Circle which particle is the “heaviest" ? A) Alpha B) Beta C) Gamma D) Neutrino

A: Need to find : Among alpha, Beta, gamma & neutrino which particle is heaviest.

Q: PROBLEM: The lifetime of a nucleus in an excited state is 10-12s. Calculate the probable uncertainty…

A:

Q: World War II aircraft had instruments with glowing radium-painted dials (see Figure 31.2). The…

A: Half lifetime is the period in which the amount of sample decreases to half of its initial value.…

Q: discovered new subatomic particle -neutron Bethe and Bekker O The Joliot-Curie Enrico Fermi James…

A: Electron was discovered by J. J. Thompson. Proton was discovered by E. Rutherford. Neutron was…

Q: Explain effect an electric field on alpha particles , beta particles and gamma ray?

A:

Q: Choose the BEST answer to the following. When a nucleus of uranium-238 emits an alpha particle, left…

A: Uranium-238 follows the following decay equation,

Q: A radioactive species has 128 atoms present. If it has half-life of 5 years, calculate the number of…

A: Write the given values of this problem. N0=128 atomst=20 yearst12=5 years

Q: ?The definition of the atomic number is

A: In this question, We have to discuss about the definition of atomic number.

Q: 99. Multiple Choice: The half-life of an isotope of an element is 5 days. The mass of a 10 gram…

A:

Q: out of the following, which is not emitted by radioactive substance? A. Electrons B. Electromagnetic…

A: The radioactivity is the spontaneous phenomenon by which the alpha particles, or the beta particles…

Q: As a staff scientist at a nuclear power plant, it is your job to understand radioactive substances…

A: Here we use law of radioactive decay to find the answer

Q: Who was the leader of team of scientists and engineers that built first man-made nuclear reactor?…

A: The first man made controlled nuclear reactor was made in the university of Chicago in 1942 , under…

Q: xplain the term betatron

A: Betatron is a particle accelerator. It is cyclic in nature as well as is used to accelerate…

Q: Who developed liquid drop-model of the nucleus? Ernest Rutherford Marie Curie Enrico Fermi O Niels…

A: In the liquid drop model, the nucleus is considered to be a drop of incompressible fluid held by the…

Q: A new element has been created artificially. It is named Elementy McFacium. The most common isotope…

A: The mass defect is defined as the mass difference between the masses of nucleons and the mass of the…

Q: 10. In the Sun, a series of nuclear reactions have the net effect of making one helium atom form…

A:

Q: In Rutherford-Royd experiment it was shown that alpha-particles are O protons electrons O neutrons O…

A: Introduction: The Rutherford-Royd experiment has been done by Rutherford and Royds in 1909, the…

Q: What gas was "emanation" from thorium, discovered by Ernest Rutherford? radium radon oxygen O xenon

A: During the radioactive process of Thorium  the 220Rn is the natural decay product of the most stable…

Nuclear interactions

In nature, there are certain rules and standards for an interaction. These interactions are universally accepted. There are four types of interactions: