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QUESTION 11 A radioactive isotope has a unstable nucleus that emits radiation to become more stable,...
QUESTION 5 A radioactive isotope has a unstable nucleus that emits radiation to become more stable, changing the nucleus' composition. True False
An aqueous solution is acidic if the hydronium concentration is: OH30+1> [OH] OH30) = [OH) OH301< (OH) QUESTION 10 Which of the following compounds will be a base: Окон H2SO4 HNO3 QUESTION 11 A radioactive isotope has a unstable nucleus that emits radiation to become more stable, changing the nucleus' composition True False QUESTION 12 Which nuclear radiation consist of hellum nucleus? Alpha radiation Beta radiation Gamma radiation
When a radioactive isotope decays, it emits radiation in the form: (select all that apply) electromagnetic radiation alpha particles beta particles gamma particles bosons
An isotope emits an electron and an anti-neutrino during radioactive decay. The 11. electron moves east with a momentum of 9.28 x 1028 kg m/s and the anti-neutrino moves north with a momentum of 7.47 x 1027 kg m/s as shown in the diagram below. electron recoiling nucleus a. Determine the momentum of the recoiling nucleus. Determine the angle to the nearest 1/100th degree. 3) Answer If scientists only knew where the electron and recoiling nucleus went, which conservation law...
What relationship can be determined from the following information: . The radioactive isotope iodine 131 has a half-life of 8.1 days and emits 0.8 MeV (milli-electronvolts) of energy . The radioactive isotope phosphorus 32 has a half-life of 14.3 days and emits 1.7 MeV of energy . The radioactive isotope phosphorus 33 has a half-ife of 25.5 days and emits 0.25 MeV of energy . The radioactive isotope sulfur 35 has a half-lfe of 875 days and emits 0.2 MeV...
1) Compared to the stable reference element, an isotope is different in what way? Question 1 options: A) More protons in the nucleus B) Fever electrons in the orbitals C) More electrons in the orbitals D) Fewer neutrons in the nucleus E) More neutrons in the nucleus
True or False 6. Carbon-14 is a radioactive isotope of carbon. . 7. The 3 isotopes of hydrogen differ in the number of protons? 8. The kinetic energy does a 1000 Kg car have going 15 m/s is 15000 Joules. 9. A metal weighs 100 kg and has a volume of 4 m3 has a density400 kg/m. 10. Radiation is the process of transferring heat from one material to another by contact. 11 The normal hearing range is between 20...
The nucleus can become unstable when it contains more protons than neutrons because: 1. exchange forces compete with Coulombic forces 2. exchange forces cause neutrons to repel each other 3. exchange forces cause protons to repel each other 4. exchange forces have a shorter range than coulombic forces
If more and more alternative fuels were available to power cars besides gas, gas prices would become more stable from week to week. True or false?
V Question 5 3.03 pts Suppose a radioactive isotope has a half-life t% = 99.1 hr. How long will it take for a sample of the isotope to decay to 3.0% of its original activity? a. 218 hr b. 0.0354hr c. 348 yr d. 297 hr e. 501 hr O a Ob Ос Question 6 3.03 pts A radioactive isotope has a half-life, t% = 27.3 yr How long will it take for a 3.27 mCi sample of this isotope...