Concept explainers
(a)
Interpretation:
The example of covalent network solid related to main group chemistry needs to be determined.
Concept introduction:
All known elements are placed in the long form of periodic table according to their
(b)
Interpretation:
The example of disproportionation reaction related to main group chemistry needs to be determined.
Concept introduction:
All known elements are placed in the long form of periodic table according to their atomic number. Entire table can be divided into four blocks; s, p, d and f-block elements. The s and p-block elements are called as main-group elements. The d-block elements are also called transition elements whereas the f-block elements are inner transition elements.
(c)
Interpretation:
The example of paramagnetic oxide related to main group chemistry needs to be determined.
Concept introduction:
All known elements are placed in the long form of periodic table according to their atomic number. Entire table can be divided into four blocks; s, p, d and f-block elements. The s and p-block elements are combine called as main-group elements. The d-block elements are also called transition elements whereas the f-block elements are inner transition elements.
(d)
Interpretation:
The example of polar molecule that violets the octet rule related to main group chemistry.
Concept introduction:
All known elements are placed in the long form of periodic table according to their atomic number. Entire table can be divided into four blocks; s, p, d and f-block elements. The s and p-block elements are combine called as main-group elements. The d-block elements are also called transition elements whereas the f-block elements are inner transition elements.
(e)
Interpretation:
The example of Lewis acid related to main group chemistry needs to be determined.
Concept introduction:
All known elements are placed in the long form of periodic table according to their atomic number. Entire table can be divided into four blocks; s, p, d and f-block elements. The s and p-block elements are combine called as main-group elements. The d-block elements are also called transition elements whereas the f-block elements are inner transition elements.
(f)
Interpretation:
The example of amphoteric oxide related to main group chemistry needs to be determined.
Concept introduction:
All know elements are placed in the Long form of periodic table according to their atomic number. Entire table can be divided into four blocks; s, p, d and f-block elements. The s and p-block elements are combine called as main-group elements. The d-block elements are also called transition elements whereas the f-block elements inner transition elements.
(g)
Interpretation:
The example of semiconductor related to main group chemistry needs to be determined.
Concept introduction:
All known elements are placed in the long form of periodic table according to their atomic number. Entire table can be divided into four blocks; s, p, d and f-block elements. The s and p-block elements are combine called as main-group elements. The d-block elements are also called transition elements whereas the f-block elements are inner transition elements.
(h)
Interpretation:
The example of strong oxidizing agent related to main group chemistry needs to be determined.
Concept introduction:
All known elements are placed in the long form of periodic table according to their atomic number. Entire table can be divided into four blocks; s, p, d and f-block elements. The s and p-block elements are combine called as main-group elements. The d-block elements are also called transition elements whereas the f-block elements are inner transition elements.
(i)
Interpretation:
The example of allotropes related to main group chemistry needs to be determined.
Concept introduction:
All known elements are placed in the long form of periodic table according to their atomic number. Entire table can be divided into four blocks; s, p, d and f-block elements. The s and p-block elements are combine called as main-group elements. The d-block elements are also called transition elements whereas the f-block elements are inner transition elements.
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CHEMISTRY-TEXT
- Describe as oxides, peroxides or super-oxides the binary of the following oxygen compounds (answers without justification). (a) BaO2 (b) HNO3 (γ) H2S (δ) LiOH (ε) P4O6 (f) P4O10 (g) SO3 (h) RbO2 (i) SrO (i) ZnSO4arrow_forward. For each of the following, draw the Lewis structure, predict the ONO bond angle, and give the hybridization of the nitrogen. You may wish to review the chapters on chemical bonding and advanced theories of covalent bonding for relevant examples. (a) NO2 (b) NO-2arrow_forward16. Draw Lewis dot structures for an atom of each of following elements. (a) Li (b) Ne Ne (c) O (d) P 3256 (e) Be (f) Si (g) I (h) Barrow_forward
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- Iodine monochloride and elemental bromine have nearly the same molar mass and liquid density but very different boiling points.(a) What molecular property is primarily responsible for this difference in boiling point? What atomic property gives rise to it? Explain.(b) Which substance has a higher boiling point? Why?arrow_forwardWhich statement identifies which of these two compoundsis more stable and explains why? (a) The carbon compound because C is less electronegativethan Si(b) The silicon compound because Si forms stronger sigmabonds than C(c) The carbon compound because C forms stronger multiplebonds than Si(d) The silicon compound because Si forms stronger pibonds than Carrow_forward(a) (i) (ii) (iii) With the aid of a simple schematic, explain what covalent bonding is and how it is formed. What are the differences between a covalent bond and an ionic bond? Which type of bond is found in crystalline silicon? At room temperature do you expect an ionic crystal to be a good electrical conductor or a good electrical insulator? Explain why.arrow_forward
- (a) What are the common oxidation states of the halogens?(b) Give an explanation based on electron configuration for the range and values of the oxidation states of chlorine.(c) Why is fluorine an exception to the pattern of oxidation states found for the other group members?arrow_forwardWhich group(s) of the periodic table is (are) described byeach of the following general statements?(a) The elements form compounds of VSEPR class AX₃E.(b) The free elements are strong oxidizing agents and formmonatomic ions and oxoanions.(c) The atoms form compounds by combining with two otheratoms that donate one electron each.(d) The free elements are strong reducing agents, show only onenonzero oxidation state, and form mainly ionic compounds.(e) The elements can form stable compounds with only threebonds, but as a central atom, they can accept a pair of electronsfrom a fourth atom without expanding their valence shell.(f) Only larger members of the group are chemically activearrow_forwardA halogen (X2) disproportionates in base in several steps to X- and XO3-. Write the overall equation for the disproportionation of Br2 to Br2 and BrO3-.arrow_forward
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