Inquiry into Physics
Inquiry into Physics
8th Edition
ISBN: 9781337515863
Author: Ostdiek
Publisher: Cengage
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Chapter 11, Problem 1PIP
To determine

(a)

Explain one major discovery, achievements or contribution of Marie curie in field of study.

To determine

(b)

Explain one major discovery, achievements or contribution of Ernest Rutherford in field of study.

To determine

(c)

Explain one major discovery, achievements or contribution of Irene curie and Frederic Joliot in field of study.

To determine

(d)

Explain one major discovery, achievements or contribution of Enrico Fermi in field of study.

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Choose the BEST answer to the following. A certain element emits 1 alpha particle, and its products then emit 2 beta particles in succession. The atomic number of the resulting element is changed by (a) zero. (b) minus 1. (c) minus 2. (d) plus 1.
6. The bismuth-209 nucleus has a binding energy per nucleon of 7.6154 MeV. (1 MeV is 1.60 × 10-13 J). Determine the difference in mass between one mole of bismuth-209 nuclei and the component nucleons of which it is made. (For the masses of the atoms and the neutrons, see the lecture material, Ch19_part3 page 9.) Masses of Selected Elementary Particles and Atoms Elementary Particle Electron, beta particle Positron Proton Neutron Atom H H He He Li Be Be 10 Be B B "C ¹2C 13C 19F Na Symbol je+ ip+ Mass (u) 1.007825032 2.014101778 3.016049268 3.016029310 4.002603250 7.0160040 8.00530509 9.0121821 10.0135337 8.024607 10.0129370 11.0093055 11.011433 12 exactly 13.003354838 14.003241988 14.003074005 15.994914622 16.9991315 17.999160 18.9984032 20.99764 Mass (u) 0.000548579911 0.000548579911 1.0072764669 1.0086649158 Atom Na Mg 50 325 87 127₁ 153 226 Ra 88 228 Ra 228 Rb 89 Ac 232 90 Th 90 234 231₁ Pa Th 231 U 92 234 U 92 235U 238 U 92 Mass (kg) 9.1093819 x 10 9.1093819 x 101 -31 1.6726216 x…
Elements that appear in the same column of the periodic table often share similar chemical properties. In the case of the alkaline earth metals, this is troublesome since the body treats calcium (necessary for proper bone growth) and radium (a radioactive element) as chemically similar, storing both in bone marrow. The radium then bombards nearby bone cells with alpha particles, causing them to "crumble." Radium poisoning investigations often center on the identification of radium and its isotopes in bone samples using lonized isotope a mass spectrometer. Pictured is a schematic of a simplified mass spectrometer that shows the paths of calcium isotopes, barium (another alkaline earth metal) isotopes, and radium isotopes entering the chamber. The region shown is immersed in a constant magnetic field of 0.552 T pointing out of the plane of the schematic. Motion of the positively-charged isotopes toward the right was initiated by a potential A -AV- B difference of 3082 V on the two plates…
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