How many protons, neutrons, and electrons are present in the13c − ion? 1. 7 protons, 6 neutrons, 5 electrons 2. 6 protons, 7 neutrons, 7 electrons 3. 7 protons, 6 neutrons, 6 electrons 4. 7 protons, 7 neutrons, 7 electrons 5. 7 protons, 6 neutrons, 7 electrons 6. 6 protons, 7 neutrons, 6 electrons 7. 6 protons, 7 neutrons, 5 electrons 8. 7 protons, 6 neutrons, 8 electrons 9. 6 protons, 7 neutrons, 8 electrons?

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Thus ¹³C ⁻ ion has 7 electrons, 7 neutrons and 6 protons.

Explanation: -

The mass number for ¹³C = 13

The atomic number for ¹³C = 6

Number of electrons present in ¹³C = atomic number = 6

Number of protons present in ¹³C = atomic number = 6

Number of neutrons present in ¹³C = mass number - atomic number = 13 - 6 = 7

For ¹³C ⁻ ion,

Number of electrons present = 6 + 1 = 7

Thus ¹³C ⁻ ion has 7 electrons, 7 neutrons and 6 protons.

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