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Often, but not always, atoms with an equal number of protons and neutrons in the nucleus are stable and not radioactive.

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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 does oxygen have?

oxygen has 8 protons as its atomic number is 8. The number of neutrons depends on the isotope. O-15 isotope will have 7 neutrons, O-16 isotope will have 8 neutrons. (Note: Mass number = Number of protons + number of neutrons)


What is the sum of protons and neutrons known as an element?

Sum of protons and neutrons is the Mass number of the element. The number of protons is equal to the number of electrons. Neutrons and protons are sub atomic particles.


How many electrons protons and neutrons are in technetium?

Technetium has 43 protons and 43 electrons. For each isotope the number of neutrons is different. Number of neutrons = Mass number of an Tc isotope - 43


How many protons and neutrons in meitnerium?

Number of neutrons = Atomic mass of an isotope - Atomic number of the element The atomic number of meitnerium is 109. Each isotope of an element has a different number of neutrons. Meitnerium has 109 protons.


How many numders of neutrons and electrons does oxygen have?

Oxygen has 8 electrons and protons. The number of neutrons is different for each isotope: Number of neutrons = Atomic mass of the isotope - Number of protons


How many protons are in a lithium nucleus?

The atomic number of lithium is 3. Therefor there are 3 protons and neutron in the nucleus of lithium. Lithium also has 4 neutrons. atomic # = protons and neutrons neutrons = rounded atomic mass - atomic number Sources- 7th grade Acc. Science


What is the number of protons and neutrons in carbon?

In Carbon-12 there are 6 protons, 6 neutrons and 6 electrons.


What is the atomic mass number of an atom of sodium that contains 12 neutrons?

The atomic mass number of an atom is the sum of its protons and neutrons. Sodium typically has 11 protons, so if the atom has 12 neutrons, the atomic mass number would be 23 (11 protons + 12 neutrons).


How many protons electrons and neutrons are in Ag?

The number of protons in a atom is equal to the atomic number, therefor Ag has 47 protons. The number of protons and neutrons in an atom is equal to the atomic mass, therefor (108-47= 61) Ag has 61 neutrons. The number of electrons is equal to the number of protons therefor Ag has 47 electrons.


Is there a relationship between the number of neutrons and protons in the atom is so what type?

Atomic number = number of protons + number of neutrons Mass number = number of protons + number of neutrons


What is the name number tells you the amount of protons and neutrons in an element?

Number of protons + Number of neutrons = Mass number(number of nucleons)