Keyword Analysis & Research: how many protons does boron 11 have


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Frequently Asked Questions

How many neutrons, protons, and electrons are in boron-11?

Boron-11 is composed of 5 protons, 6 neutrons, and 5 electrons . Isotope 11B has absorption cross-section for thermal neutrons about 0.005 barns (for 0.025 eV neutron). The number of electrons in an electrically-neutral atom is the same as the number of protons in the nucleus.

How many neutrons does boron 11 have?

Moreover, in Boron-11 the number of neutrons is 6. thanked the writer. blurted this. 11 is the Atomic mass which is the # of protons plus neutrons. From the periodic table you see Boron has 5 electrons ie. It must have 5 protons. So the math is 11-5 = 6 neutrons. thanked the writer. blurted this.

Why is boron good at absorbing neutrons?

The cross-section of 10 B decreases monotonically with energy. For fast neutrons its cross-section is on the order of barns. Boron as the neutron absorber has another positive property. The reaction products (after a neutron absorption), helium and lithium, are stable isotopes.

Why number of neutrons are more than number of protons?

That proper balance involves approximately 50 percent more neutrons than protons. The conventional theory of nuclear structure maintains that all nucleons are attracted to each other through the so-called strong force that drops off with distance more rapidly than does the electrostatic force.


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