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the element boron has two naturally occurring isotopes with masses

the element boron has two naturally occurring isotopes with masses of 10.01amu and 11.01amu. What is the percent abundance of
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2. asked by Anonymous
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To determine the atomic mass of an element, the masses of all the naturally occurring isotopes of that element are averaged
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Boron has only two naturally occurring isotopes. The mass of boron-10 is 10.01294 amu and the mass of boron-11 is 11.00931 amu.U
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2. asked by Brittany
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Copper is composed of two naturally occurring isotopes: Cu−63 (69.170%) and Cu−65. The ratio of the masses of the two
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2. asked by Vanessa
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which conclusion can be made about isotopes?isotopes with more neutrons than protons are always unstable. isotopes that are
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2. asked by anon
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The atomic mass of an element is the weighted average of all of its isotopes. The percent abundance for the element boron is
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2. asked by urgent please thxx
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Naturally occurring silicon exists as 3 isotopes: 28Si, 29Si, and 30Si, whose atomic masses are 27.9769, 28.9865, and 29.9838,
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2. asked by Rinad
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Question What is true about stable isotopes?(1 point) Responses Isotopes are naturally occurring in nature and always unstable.
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Gallium has two naturally occurring isotopes, 69Ga and 71Ga, with masses of 68.9257amu and 70.9249amu, respectively. Calculate
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there are 3 naturally occurring stable isotopes of oxygen:O-16,O-17, O-18. there are 2 naturally occurring stable isotopes of
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2. asked by Navroz
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