Chemistry, 04.02.2020 15:50 applereams
Boron has an atomic mass of 10.8 amu. it is known that naturally occurring boron is composed of two isotopes, boron-10 and boron-11. determine the percent of each isotope of boron
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The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland
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What would happen to a volleyball left outside in the winter? o o o o a. it would expand. b. it would lose air. c. it would shrink. d. it would explode.
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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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Boron has an atomic mass of 10.8 amu. it is known that naturally occurring boron is composed of two...
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