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The mass number of an atom is the sum of the number of protons and neutrons in its nucleus. In this case, with 5 protons and 6 neutrons, the mass number of the boron atom would be 5 + 6 = 11.

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1y ago

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An atom of boron (B) has 5 protons and 6 neutrons. What is its mass number?

The mass number of an atom is the total number of protons and neutrons in its nucleus. Therefore, the mass number of boron with 5 protons and 6 neutrons is 11.


How many electrons protons neutrons boron have?

5 Protons,6 Electrons,5 Neutrons


What is the mass number of the isotope of boron possessing 6 neutrons?

The mass number is the sum of protons and neutrons in an atom. Boron typically has 5 protons, so if it possesses 6 neutrons, the mass number would be 11 (5 protons + 6 neutrons).


How many protons neutrons and electrons in B?

I think that's B, the symbol for the element boron. Boron has 5 protons and 5 electrons. The most common isotope has 6 neutrons. The other main isotope has only 5 neutrons.


Why does boron-11 have 5 protons and 5 neutrons?

Boron-11 is an isotope. The atomic number of Boron is 5 which means it has 5 protons, (if there were more or less protons the element wouldn't be boron). the isotope number (11) is the number of protons plus neutrons. to find out the number of neutrons you would take take the isotope and subtract it by number of protons (11-5) which yields 6. To find the isotope add the number of protons to the number of neutrons.


Write symbol of atom of boron with 5 neutrons and 5 protons?

The symbol of an atom of boron with 5 neutrons and 5 protons is ^10B. The superscript indicates the total number of protons and neutrons in the nucleus, and the atomic number (number of protons) is typically placed as a subscript.


How are boron-10 and boron-11 different?

Boron-10 has five protons and 5 neutrons Boron-11 is an atom that contains five protons and six neutrons


What atom has 5 protons and 6 neutrons and 5 electrons?

I'm almost positive the protons always tell you the identification of an element on the periodic chart... the atom with 6 protons is Carbon a non metal but if electrons are 5 then it must be carbon cation C+.


Is boron protons electrons or neutrons?

Boron is an atom or element, and it contains protons, electrons, and neutrons.


How many neutrons does the atom boron have?

The atom boron has 5 neutrons. Its atomic number is 5, which means it has 5 protons in its nucleus, and since the atomic mass of boron is around 11, the difference between the atomic mass and the atomic number gives us the number of neutrons.


How many protons are in boron atom?

5 protons, 5 electrons and 6 neutrons :)


Boron has an atomic mass of 11 and an atomic number of 5 how many neutrons must there be?

The mass of an atom is found by adding the number of the protons and neutrons. So, a boron atom with 5 protons and 6 neutrons would have an atomic mass of 11.