**What is the charge of an ion that has \[16\] protons, \[19\] neutrons, and \[18\] electrons?**

*Enter the magnitude and sign of the charge.*
 
+/-


To determine the charge of the ion, we need to consider the number of protons and electrons.

- **Protons**: 16 (each proton has a +1 charge)
- **Electrons**: 18 (each electron has a -1 charge)

The charge of the ion is calculated as:

\[
\text{Charge} = (\text{Number of Protons}) - (\text{Number of Electrons})
\]

\[
\text{Charge} = 16 - 18 = -2
\]

### Answer:
The charge of the ion is **-2**.

Would you like more details or have any other questions? Here are some related questions you might find interesting:

1. What element has 16 protons, and what is its symbol?
2. How does the number of neutrons affect the isotope of an element?
3. How do you determine the charge of an ion based on its proton and electron count?
4. What is the difference between cations and anions in terms of electron gain or loss?
5. How do the charges of ions affect the formation of ionic compounds?

**Tip:** Always remember that the number of protons determines the element's identity, while the difference between protons and electrons determines the ion's charge.

Learn how to calculate the charge of an ion with 16 protons, 19 neutrons, and 18 electrons using basic atomic structure principles. Understand the relationship between protons and electrons in determining the ion's charge. Suitable for high school students studying chemistry.

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