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The element with an Atomic Mass of 10.81 and starting with "B" is Boron (B). It is a metalloid with symbol B and atomic number 5. Boron is commonly used in various industrial applications and as a dopant in semiconductor materials.

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Q: What has an atomic mass of 10.81 and starts with a b?
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Which element has a greater atomic mass A or B?

Element A has a greater atomic mass than element B if the atomic mass value of A is higher. The atomic mass represents the average mass of an element’s isotopes based on their abundance in nature.


What is the atomic mass of B if 19.9 percent of all B atoms have a mass of 10.01 amu and 80.1 percent have a mass of 11.01 amu?

Given : Atomic mass of B = 10.01 amu , % = 19.9 let it be A Atomic mass of B = 11.01 amu , % = 80.1 Solution : A and B are approximately in the ratio 1:4. Isotopic mass = [(proportion of A X at. mass of A) + (proportion of B X at. mass of B)] / 4 = [(1 X 10.01) + (4 X 11.01)] / 4 = (10.01 + 44.04) / 4 = 54.05 / 4 Isotopic atomic mass = 13.512 amu ---- Therefore, isotopic atomic mass of B is = 13.512 amu.


How do you calculate the atomic mas based on the number of protons and neutrons of an atom?

To calculate the atomic mass of an atom, you would add the number of protons and neutrons together. Protons and neutrons each have a mass of approximately 1 atomic mass unit (amu). The sum of the protons and neutrons will give you the atomic mass of the atom in atomic mass units.


If Element B Has 9 As The Atomic Number And 19 As The Mass Number What is The Answer how many protons does it have?

If Element B Has 9 As The Atomic Number And 19 As The Mass Number What is The Answer how many protons does it have?


What is the average atomic mass of an element with isotopes a b and c?

(mass of A) x (%of A) + (mass of B) x (% of B) + (mass of C) x (% of C)