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Frequently Asked Questions

What is the average mass of a boron atom?

What is the average atomic mass of boron? The average mass of a boron atom is 10.81, but this is simply an average. The only two stable isotopes of boron are Boron-10 and Boron-11, and neither of these have an atomic mass of 10.81. What element has 6 protons 6 neutrons and 6 electrons?

Why does boron have 6 neutrons?

Why does boron have 6 neutrons? We are given that boron-10 had five protons in its nucleus, and any element always has the same number of protons in its nucleus (atomic number). For boron-11 this total is 11, and five of the particles are protons, thus 11−5=6 neutrons.

What is atomic mass and how is it determined?

The atomic mass of the atom is the mass of the protons plus the mass of the neutrons, 6 + 7, or 13. 3) Weighted Average for All Atoms of an Element The atomic mass of an element is a weighted average of all the element's isotopes based on their natural abundance. It is simple to calculate the atomic mass of an element with these steps.

What is the atomic structure of boron?

The basic unit for the crystalline structure of boron is a B 12 icosahedron, with — at each of the 12 vertices — a boron atom bonded to five other atoms. The interesting feature of this structure is that the boron atoms are forming half-bonds by sharing one electron instead of the usual two electrons in a covalent bond.


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