Explain the meaning of each of the following terms
- ionic bond
- covalent bond
Solution not yet available.
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Chemical bonding
Textbook Exercise 6.6
Which ONE of the following best describes the bond formed between carbon and hydrogen?
- metallic bond
- covalent bond
- ionic bond
Solution not yet available.
Which of the following reactions will not take place? Explain your answer.
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\(\text{H} + \text{H} \rightarrow \text{H}_{2}\)
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\(\text{Ne} + \text{Ne} \rightarrow \text{Ne}_{2}\)
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\(\text{Cl} + \text{Cl} \rightarrow \text{Cl}_{2}\)
Solution not yet available.
Draw the Lewis structure for each of the following:
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calcium
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iodine
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hydrogen bromide \((\text{HBr})\)
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nitrogen dioxide \((\text{NO}_{2})\)
Solution not yet available.
Given the following Lewis structure, where X and Y each represent a different element:
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What is the valency of X?
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What is the valency of Y?
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Which elements could X and Y represent?
Solution not yet available.
Complete the following table:
\(\text{K}^{+}\) | \(\text{Ca}^{2+}\) | \(\text{NH}_{4}^{+}\) | |
\(\text{OH}^{-}\) | |||
\(\text{O}^{2-}\) | |||
\(\text{NO}_{3}^{-}\) | |||
\(\text{PO}_{4}^{3-}\) |
| \(\text{K}^{+}\) | \(\text{Ca}^{2+}\) | \(\text{NH}_{4}^{+}\) | |
| \(\text{OH}^{-}\) | \(\text{KOH}\) | \(\text{Ca}(\text{OH})_{2}\) | \(\text{NH}_{4}\text{OH}\) |
| \(\text{O}^{2-}\) | \(\text{K}_{2}\text{O}\) | \(\text{CaO}\) | \((\text{NH}_{4})_{2}\text{O}\) |
| \(\text{NO}_{3}^{-}\) | \(\text{KNO}_{3}\) | \(\text{Ca}(\text{NO}_{3})_{2}\) | \(\text{NH}_{4}\text{NO}_{3}\) |
| \(\text{PO}_{4}^{3-}\) | \(\text{K}_{3}\text{PO}_{4}\) | \(\text{Ca}_{3}(\text{PO}_{4})_{2}\) | \((\text{NH}_{4})_{3}\text{PO}_{4}\) |
Potassium dichromate is dissolved in water.
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Give the name and chemical formula for each of the ions in solution.
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What is the chemical formula for potassium dichromate?
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Potassium ion: \(\text{K}^{+}\)
Dichromate ion: \(\text{Cr}_{2}\text{O}_{7}^{2-}\)
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\(\text{K}_{2}\text{Cr}_{2}\text{O}_{7}\)
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