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Carbon-7 is a theoretical isotope that does not actually exist. But if it DID exist, it would have one neutron, because the mass number of any isotope = protons + neutrons, and all carbon atoms have 6 protons. Therefore C-7 would have 6 protons and one neutron.

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βˆ™ 14y ago
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βˆ™ 6mo ago

The mass number of a carbon isotope is the sum of the number of protons and neutrons in its nucleus. Since carbon has 6 protons, an isotope with 7 neutrons would have a mass number of 13 (6 protons + 7 neutrons = 13).

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βˆ™ 12y ago

13(u). Carbon has 6 protons and 6 + 7 is 13.

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βˆ™ 7y ago

This mass number is 13.

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Q: What is the mass number of a carbon isotope that has seven neutrons?
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Related questions

What is an osotope?

Not sure about an 'Osotope' Isotope: A variation in the number of neutrons in the core of an atom of a given element is an isotope of that element. Carbon has six protons in the core of the atom. Carbon-12 has six neutrons in its core. Carbon-13 has seven neutrons. Carbon-13 is an isotope of Carbon.


What isotope has seven neutrons?

Carbon-13 has seven neutrons. It's rare, and is only 1% of all carbon atoms. Carbon has 6 protons, and usually 6 neutrons, however an extra neutron makes the mass of this isotope 13 amu or g/mol, hence its name.


How many neutrons are in carbon 13?

well the mass number is actually 12. because the ATOMIC MASS is 12.011. and to find the mass number you must round the atomic mass to the nearest WHOLE NUMBER. 12.011 rrounded to its nearest whole number would be 12. and to find the number of neutrons you must subtract the ATOMIC NUMBER (which is 6) from its mass number. 12-6=6. so carbon has 6 neutrons. carbon also has 6 protons, as well as 6 electrons.


What two atoms contain the same number of neutrons?

your bumb


How many neutrons does an atom of nitrogen have?

The most common isotope has 7 neutrons. To calculate this, look up the element on a periodic table, subtract the atomic number from the atomic weight, and round to the nearest whole number. Nitrogen, for example, has an atomic number of 7 and an atomic weight of 14.006. 14.006 - 7 = 7.006, which rounds to seven. Most of the low numbered elements have a number of neutrons equal to their atomic number, but the ratio starts to vary in the heavy elements. >>M.T.<<


How many neutrons are there in the c-13?

Seven. Carbon's atomic number (the number of protons in the nucleus) is 6, so if the atomic weight is 13, there are 7 neutrons in the nucleus. Only 1.07% of all carbon atoms have 7 neutrons; the other 98.9% have 6 neutrons.


Nitrogen consists of what?

Nitrogen is made up of seven protons and seven electrons (I'm not 100% sure about the electrons part), and the number of neutrons varies depending on the isotope. (N21 has 14 neutrons, N8 has one neutron)


What atoms make up the element carbon?

Carbon is made up of carbon atoms, each with six protons in the nucleus and a varying number of neutrons. The most common isotopes of carbon are Carbon-12, which has six neutrons, and Carbon-13, which has seven neutrons.


How many protons neutrons and electrons make up atom of nitrogen-15?

7 protons 7 electrons 8 neutrons


What are carbon 12 carbon 13 carbon 14 are examples of?

isotopes of carbon


What is the carbon isotope called that has six protons and seven nuetrons in its nucleus?

Carbon thirteen … C13


How many proton and electrons and neutrons are there for carbon?

A carbon atom always contains six protons. In nature, carbon most commonly has six (12C, carbon-12), seven (13C, carbon-13) or eight (14C, carbon-14) neutrons. However, man-made isotopes of carbon contain as few as two neutrons (8C) or as many as sixteen (22C). Thirteen of the fifteen isotopes of Carbon (i.e. all except 12C and 13C) are radioactive. In addition to neutrons and protons, a carbon atom always has six electrons in orbits around the nucleus.