Concept explainers
3-21 Write the formula for the most stable ion formed by each element.
(a) Mg
(b) F
(c) Al
(d)S
(e)K
(f) Br
Interpretation:
The formula for the most stable ion formed by
Concept Introduction:
Octet rule: generally all atoms will lose, gain or share electrons to attain 8 valence electrons; the electronic configuration of the nearest noble element.
Duet rule: generally some atoms like hydrogen, lithium, beryllium will lose, gain or share electrons to attain 2 valence electrons; the electronic configuration of the nearest noble element like helium.
Answer to Problem 3.21P
The formula for the most stable ion formed by
Explanation of Solution
The atomic number or number of electrons of
When
The electronic configuration of the nearest noble element like helium, neon argon is the stable configuration hence the formula for the most stable ion formed by
Interpretation:
The formula for the most stable ion formed by
Concept Introduction:
Octet rule: generally all atoms will lose, gain or share electrons to attain 8 valence electrons; the electronic configuration of the nearest noble element.
Duet rule: generally some atoms like hydrogen, lithium, beryllium will lose, gain or share electrons to attain 2 valence electrons; the electronic configuration of the nearest noble element like helium.
Answer to Problem 3.21P
The formula for the most stable ion formed by
Explanation of Solution
The atomic number or number of electrons of
When
The electronic configuration of the nearest noble element like helium, neon argon is the stable configuration hence the formula for the most stable ion formed by
Interpretation:
The formula for the most stable ion formed by
Concept Introduction:
Octet rule: generally all atoms will lose, gain or share electrons to attain 8 valence electrons; the electronic configuration of the nearest noble element.
Duet rule: generally some atoms like hydrogen, lithium, beryllium will lose, gain or share electrons to attain 2 valence electrons; the electronic configuration of the nearest noble element like helium.
Answer to Problem 3.21P
The formula for the most stable ion formed by
Explanation of Solution
The atomic number or number of electrons of
When
The electronic configuration of the nearest noble element like helium, neon argon is the stable configuration hence the formula for the most stable ion formed by
Interpretation:
The formula for the most stable ion formed by
Concept Introduction:
Octet rule: generally all atoms will lose, gain or share electrons to attain 8 valence electrons; the electronic configuration of the nearest noble element.
Duet rule: generally some atoms like hydrogen, lithium, beryllium will lose, gain or share electrons to attain 2 valence electrons; the electronic configuration of the nearest noble element like helium.
Answer to Problem 3.21P
The formula for the most stable ion formed by
Explanation of Solution
The atomic number or number of electrons of
When
The electronic configuration of the nearest noble element like helium, neon argon is the stable configuration hence the formula for the most stable ion formed by
Interpretation:
The formula for the most stable ion formed by
Concept Introduction:
Octet rule: generally all atoms will lose, gain or share electrons to attain 8 valence electrons; the electronic configuration of the nearest noble element.
Duet rule: generally some atoms like hydrogen, lithium, beryllium will lose, gain or share electrons to attain 2 valence electrons; the electronic configuration of the nearest noble element like helium.
Answer to Problem 3.21P
The formula for the most stable ion formed by
Explanation of Solution
The atomic number or number of electrons of
When
The electronic configuration of the nearest noble element like helium, neon argon is the stable configuration hence the formula for the most stable ion formed by
Interpretation:
The formula for the most stable ion formed by
Concept Introduction:
Octet rule: generally all atoms will lose, gain or share electrons to attain 8 valence electrons; the electronic configuration of the nearest noble element.
Duet rule: generally some atoms like hydrogen, lithium, beryllium will lose, gain or share electrons to attain 2 valence electrons; the electronic configuration of the nearest noble element like helium.
Answer to Problem 3.21P
The formula for the most stable ion formed by
Explanation of Solution
The atomic number or number of electrons of
When
The electronic configuration of the nearest noble element like helium, neon argon is the stable configuration hence the formula for the most stable ion formed by
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Chapter 3 Solutions
Introduction to General, Organic and Biochemistry
- 3-58 In Section 2-3B, we saw that there are seven diatomic elements. (a) Draw Lewis structures for each of these diatomic elements. (b) Which diatomic elements are gases at room temperature? Which are liquids? Which are solids?arrow_forward3-67 Why does nitrogen have three bonds and one unshared pair of electrons in covalent compounds?arrow_forward3-63 What is the difference between (a) a bromine atom, (b) a bromine molecule, and (c) a bromide ion? Draw the Lewis structure for each.arrow_forward
- 3-26 Table 3-2 shows the following ions of copper: Cu+ and Cu2+. Do these violate the octet rule? Explain.arrow_forward3-41 Describe the structure of sodium chloride in the solid state.arrow_forward3-68 Draw a Lewis structure of a covalent compound in which nitrogen has: (a) Three single bonds and one unshared pair of electrons (b) One single bond, one double bond, and one unshared pair of electrons (c) One triple bond and one unshared pair of electronsarrow_forward
- 3-66 Why can’t second-row elements have more than eight electrons in their valence shells? That is, why does the octet rule work for second-row elements?arrow_forward3-87 Consider the molecule boron trffluoride, BF3. (a) Write a Lewis structure for BF3. (b) Predict the FBF bond angles using the VSEPR model. (c) Does BF3 have polar bonds? Is it a polar molecule?arrow_forward3-48 Potassium chloride and potassium bicarbonate are used as potassium dietary supplements. Write the formula of each compound.arrow_forward
- 3-70 Draw a Lewis structure of a covalent compound in which oxygen has: (a) Two single bonds and two unshared pairs of electrons (b) One double bond and two unshared pairs of electronsarrow_forward3-119 Perchloroethylene, which is a liquid at room temperature, is one of the most widely used solvents for commercial dry cleaning. It is sold for this purpose under several trade names, including Perciene®. Does this molecule have polar bonds? Is it a polar molecule? Does it have a dipole?arrow_forward3-46 Which formulas are not correct? For each that is not correct, write the correct formula. (a) Calcium oxide; CaO2 (b) Lithium oxide; LiO (c) Sodium hydrogen phosphate; NaHPO4 (d) Ammonium nitrate; NH4NO3arrow_forward
- Introduction to General, Organic and BiochemistryChemistryISBN:9781285869759Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar TorresPublisher:Cengage Learning