Question

What is the net charge on a $\mathrm{Ca}^{+2}$ ion?

   What is the net charge on a $\mathrm{Ca}^{+2}$ ion?

College Physics: Reasoning and Relationships

College Physics: Reasoning and Relationships

Nicholas J.… 2nd Edition

Chapter 17, Problem 9

Instant Answer

Solved by Expert Varsha Aggarwal

02/14/2022

Step 1

Step 1: The given ion is $\mathrm{Ca}^{+2}$, which means it is a calcium ion that has lost two electrons. Show more…

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What is the net charge on a $\mathrm{Ca}^{+2}$ ion?

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Key Concepts

Ions

Ions are atoms or molecules that have gained or lost electrons, resulting in a net electrical charge. This charge occurs because the number of protons, which are positively charged, does not equal the number of electrons, which are negatively charged.

Net Charge

The net charge of an ion is determined by the imbalance between protons and electrons. It is calculated by subtracting the number of electrons from the number of protons. A surplus of electrons results in a negative charge, while a deficit results in a positive charge.

Cations

Cations are positively charged ions formed when an atom loses one or more electrons. The resulting positive charge is represented by a plus sign accompanied by a number that indicates how many electrons have been lost, reflecting the ion's oxidation state.

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