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um...13 Carbon 13 is not a radioisotope. It isn't radioactive. It's atomic number is 6 and Atomic Mass is 13 The exact mass is 13.003355 according to http://www.sisweb.com/referenc/source/exactmas.htm
The atomic mass of carbon 13 is 13.0033548378

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The atomic mass number for the radioisotope carbon-13 is?

13.003355 according to http://www.sisweb.com/referenc/source/exactmas.htm


Atomic mass and number for carbon?

atomic mass of carbon=12 atomic number of carbon=6


How much is the atomic mass and atomic number for corbon?

Carbon is a chemical element with an atomic number of 6 and an atomic mass of about 12.011 atomic mass units.


What is the atomic number of carbon 14?

Carbon is a non metal element. Atomic mass number of it is 12.


What is the atomic number for an abundant element with mass number of 12?

The element with a mass number of 12 is carbon. Carbon has an atomic number of 6.


A carbon atom of mass number 12 and a carbon atom of mass number 14 are?

Isotopes. Iso = same, as in the # of protons. Radioisotope is more accurate.


What is the atomic number and mass of carbon?

Carbon is a non metal element. Atomic number of it is 12.


What is the atomic number for an abundant element with mass number 12?

The element with mass number 12 is carbon. The atomic number for carbon is 6.


What is the assigned atomic mass of carbon-12?

The atomic number of any carbon isotope is 6, the number of protons in the nucleus of any carbon atom, irrespective of its mass number.


Do carbon 12 and 14 have the same atomic mass?

No. They have different masses, but the same atomic number. Carbon-12 has a mass number of 12 and atomic number of 6, and carbon-14 has a mass number of 14 and atomic number of 6. The difference in mass number is due to different numbers of neutrons. Carbon-12 atoms have 6 neutrons and carbon-14 atoms have 8 neutrons.


Whast is the mass number of carbon dioxide?

Carbon is a metal element. Atomic mass number of it is 12.


Does carbon have the atomic mass of 6?

No, that's the atomic number.