30 янв. 2021 г. · The atomic mass number of carbon-13 is 13, because it has 6 protons plus 7 neutrons. The number of electrons is not included in the atomic mass ...

2 июн. 2021 г. · ... isotope of carbon have a mass of 13 and an atomic number of 14? To be carbon it must have an atomic number of 6. 13 is aluminum. Upvote ·.

5 апр. 2020 г. · Carbon has atomic number 6, so 6 protons and 6 electrons. The atomic mass is 13, less 6 protons, so 7 neutrons.

9 сент. 2021 г. · Carbon—13 has ,6 protons,7 neutrons and 6 electrons. Atomic mass number of C-13=6+7=13. Atomic number=number of protons=number of electrons=6.

28 февр. 2022 г. · The molar mass of C-13 is 13 g/mol, so 8 g = 8/13 mol ≈ 0.61 mol. Avogadro's number is 6.022 × 10²³ atoms/mol, so 1 g contains (6.022 × 10²³ ...

29 апр. 2020 г. · Carbon-12 must contain 6 neutrons, carbon-13 contains 7 neutrons, and carbon-14 contains 8 neutrons.

Carbon has atomic number 6, so 6 protons and 6 electrons. The atomic mass is 13, less 6 protons, so 7 neutrons. Assuming I'm not doing your homework for you, ...

20 окт. 2021 г. · Carbon thirteen has the same number of protons and electrons, but has 7 neutrons. The 12 and 13 are the mass numbers of the isotopes.

9 авг. 2020 г. · The nucleus of this isotope consists of only a single proton (atomic number = mass number = 1) and its mass is 1.007825 amu. ... How many atoms ...

19 янв. 2022 г. · Carbon thirteen has the same number of protons and electrons, but has 7 neutrons. The 12 and 13 are the mass numbers of the isotopes.