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Chapter 2: Problem 15

Which of the following explain how an ion is formed? Explain your answer. a. adding or subtracting protons to/from an atom. b. adding or subtracting neutrons to/from an atom. c. adding or subtracting electrons to/from an atom.

Short Answer

Expert verified
The correct answer is option c, which states that an ion is formed by adding or subtracting electrons to/from an atom. Adding or subtracting electrons changes the overall charge of the atom, forming either a positively charged ion (cation) or a negatively charged ion (anion).

Step by step solution

01

Understanding atomic structure

To find the correct answer, we should first understand the basic structure of an atom. An atom is made up of three types of particles: protons, neutrons, and electrons. Protons and neutrons are present in the nucleus of the atom, while electrons move around the nucleus in specific energy levels.
02

Analyzing option a

Option a states that an ion is formed by adding or subtracting protons to/from an atom. Adding or subtracting protons to/from an atom would change its atomic number, which determines the identity of the element. This process is not related to ion formation and is incorrect.
03

Analyzing option b

Option b states that an ion is formed by adding or subtracting neutrons to/from an atom. Changing the number of neutrons in an atom results in the formation of isotopes, but it doesn't affect the overall charge of the atom, so this option is also incorrect for ion formation.
04

Analyzing option c

Option c states that an ion is formed by adding or subtracting electrons to/from an atom. This is the correct answer, as adding or subtracting electrons from an atom changes the overall charge of the atom and forms ions. An atom becomes a positively charged ion (cation) if it loses electrons, and it becomes a negatively charged ion (anion) if it gains electrons. In conclusion, the correct answer is option c, which states that an ion is formed by adding or subtracting electrons to/from an atom.

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Most popular questions from this chapter

Would you expect each of the following atoms to gain or lose electrons when forming ions? What ion is the most likely in each case? a. \(\mathrm{Ra}\) c. \(\underline{P}\) e. \(\mathrm{Br}\) b. In d. Te f. \(\mathrm{Rb}\)

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