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QUESTION 5 A radioactive isotope has a unstable nucleus that emits radiation to become more stable,...
QUESTION 11 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
(5) 1 . Assume you have a sample of radioactive material that emits both α and γ radiation. Describe how you could study the y radiation without interference from the a radiation. (5) 2. Your own body is responsible for about 20% of the average yearly radiation dose that an average American receives. What is the main isotope responsible for this radiation? (5) 1 . Assume you have a sample of radioactive material that emits both α and γ radiation....
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
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
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...
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?
1.You’re working with an intense beta-emitting isotope in your research lab. Which of the following would be a good choice for shielding yourself from the radiation? (5 pts) a. No shielding is necessary, beta particles can’t penetrate skin b. 1 cm of aluminum c. 10 cm of lead shielding 2Indicate if the statements below are true or false: (a) The most penetrating form of radiation is alpha radiation. (b) The mass of the nucleus is less than the sum of...