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Chapter 1: Problem 3

How many electrons are found in \({ }^{12} \mathrm{C} ?^{13} \mathrm{C} ?{ }^{13} \mathrm{C}^{-}\) ?

Short Answer

Expert verified
Answer: \({ }^{12} \mathrm{C}\) has 6 electrons; \({ }^{13} \mathrm{C}\) has 6 electrons; \({ }^{13} \mathrm{C}^{-}\) has 7 electrons.

Step by step solution

01

Determine number of Electrons in \({ }^{12} \mathrm{C}\)

Count the number of protons in \({ }^{12} \mathrm{C}\), which is the same as its atomic number, which is 6 for Carbon. In a neutral atom, the number of electrons is equal to the number of protons. Therefore, \({ }^{12} \mathrm{C}\) has 6 electrons.
02

Determine Number of Electrons in \({ }^{13} \mathrm{C}\)

The same applies to \({ }^{13} \mathrm{C}\) as in the first step. It also has 6 electrons.
03

Determine Number of Electrons in \({ }^{13} \mathrm{C}^{-}\)

For \({ }^{13} \mathrm{C}^{-}\), the atom is not neutral, it has a -1 charge. This means that there is 1 extra electron compared to the number of protons. Therefore, \({ }^{13} \mathrm{C}^{-}\) has 7 electrons.

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Most popular questions from this chapter

What structural feature is different in isotopes of a particular element?

How is the mass number, A, (left-hand superscript next to the atomic symbol as shown in the Model) determined (from the structure of the atom)?

Determine the number of protons, neutrons, and electrons in one \({ }^{1} \mathrm{H}^{+}\) ion. Explain how you found your answer.

In terms of the numbers of protons, neutrons and electrons: a) Why does the notation \({ }^{13} \mathrm{C}^{-}\) have a negative sign in the upper right hand corner? b) What feature distinguishes a neutral atom from an ion? c) Provide an expression for calculating the charge on an ion.

How many protons are found in \({ }^{12} \mathrm{C} ?^{13} \mathrm{C} ?^{13} \mathrm{C}^{-}\) ?
See all solutions

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