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1)Naturally occuring boron is made

Naturally occuring boron is 80.20% boron-11 and 19.80% of some other isotopic form of boron. What must be the atomic mass of
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2. asked by Ben
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1)Naturally occuring boron is made up of 20% by mass of 10B isotope and 80% by mass of 11B isotope.Calculate the relative atomic
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2. asked by PEACE
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The element boron has three naturally occuring isotopes. One has the atomic mass 10.0129(54.4%), another 11.0093(12.75%). What
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2. asked by Anonymous
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Naturally occuring boron is composed of only two isoptopes 10/5B and 11/B with isotopic masses of 10.0129 and 11.00931
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2. asked by felpin
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Q: the average atomic mass of naturally occurring rhenium is 186.21 amu. There are two common isotopes of naturally occuring
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2. asked by Ethan
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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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naturally occurring boron is 80.20% boron 11 (atomic mass= 11.01amu) and 19.80% of some other isoptopic form of boron. what must
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2. asked by Tom
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Pigments can be made from naturally occuring flowers, berries and clays.A. True B. False
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naturally occuring chlorine is composed of 35CL with atomic mass of 34.969 37CL with atomic mass of 36.966 the average atomic
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2. asked by Alaa
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Naturally occurring boron is 80.20% boron-11 (of atomic mass 11.01 amu) and 19.80% of some other isotope form of boron. What
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2. asked by Peter
3. 1,970 views