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Chapter 3: Problem 40

Consider the symbol \({ }_{7}^{14} \mathrm{C}\). (a) What is wrong with this symbol? (b) Adjust the atomic number so that the symbol is correct. (c) Adjust the symbol letter so that the symbol is correct.

Short Answer

Expert verified
(a) The problem with the given symbol \({}_{7}^{14}\mathrm{C}\) is that it has an incorrect atomic number (7 instead of 6 for carbon). (b) To correct the symbol, change the atomic number to 6: \({}_{6}^{14}\mathrm{C}\). (c) The symbol letter is already correct (C for carbon), so no further adjustment is needed. The final correct symbol is \({}_{6}^{14}\mathrm{C}\).

Step by step solution

01

1. Evaluate the given symbol

We are given the symbol \({}_{7}^{14}\mathrm{C}\). Here: - 7 is the atomic number (Z) which represents the number of protons in the nucleus of the atom. - 14 is the mass number (A) which represents the total number of protons and neutrons in the nucleus of the atom. - C is the chemical symbol which represents the element carbon. It has an atomic number (Z) of 6.
02

2. Identify the problem

The problem with the given symbol \({}_{7}^{14}\mathrm{C}\) is that, instead of 6 (the atomic number of carbon), there is a 7 in the atomic number position.
03

3. Adjust the atomic number

To correct the symbol, we need to change the atomic number from 7 to 6, as carbon has an atomic number of 6. The symbol should be \({}_{6}^{14}\mathrm{C}\).
04

4. Adjust the symbol letter

The symbol letter is already correct. Carbon is represented by the letter C, so no further adjustment is needed. Finally, the correct symbol is \({}_{6}^{14}\mathrm{C}\).

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Most popular questions from this chapter

A student says that it is possible for an atom's second ionization energy to be zero because all the work was done creating a cation with the first jonization energy. Is this student right or wrong? Explain.

Regarding problem \(3.137\), do you think an atom's second ionization energy would be smaller, the same, or larger than its first ionization energy? Do you think the second ionization energy for an atom would ever be less than the first? Explain.

The mass number of a neutral atom is 19 , and its atomic number is 9 . The atom contains how many protons, electrons, and neutrons?

It always takes energy to remove an electron from a neutral atom. Explain why, and name the minimum amount of energy it takes to do this.

Suppose all the alpha particles in Rutherford's experiment went straight through the gold foil with absolutely no deflections. What would this imply about the structure of the atom?
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