Which of the following best describes the electron cloud model? a. it shows that electrons usually carry a negative charge. b. it shows that electrons remain in high-energy subshells. c. it shows that electrons move quickly in circular orbits. d. it shows that the electrons within an atom do not have sharp boundaries.
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Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife
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Choose all the answers that apply. fluorine (f) has an atomic number of 9 and an atomic weight of 18.99. fluorine has a. 9 protons b. 10 neutrons c. 18 electrons d. an atomic mass of 19 e. at least one isotope
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Which of the following best describes the electron cloud model? a. it shows that electrons usually...
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