(a)
Interpretation:
In the given substances, largely ionic and polar covalent has to be predicted.
Concept introduction:
Polar covalent:
It describe the bonds which has both ionic and covalent character.
Ionic compound:
A compound which consist of anions and cations held together by ionic bond (electrical attraction of opposite charges).
|
Bond type |
Difference in electronegativity |
|
Pure covalent |
|
|
Polar covalent |
Between |
|
Ionic |
|
(b)
Interpretation:
In the given substances, largely ionic and polar covalent has to be predicted.
Concept introduction:
Polar covalent:
It describe the bonds which has both ionic and covalent character.
Ionic compound:
A compound which consist of anions and cations held together by ionic bond (electrical attraction of opposite charges).
|
Bond type |
Difference in electronegativity |
|
Pure covalent |
|
|
Polar covalent |
Between |
|
Ionic |
|
(c)
Interpretation:
In the given substances, largely ionic and polar covalent has to be predicted.
Concept introduction:
Polar covalent:
It describe the bonds which has both ionic and covalent character.
Ionic compound:
A compound which consist of anions and cations held together by ionic bond (electrical attraction of opposite charges).
|
Bond type |
Difference in electronegativity |
|
Pure covalent |
|
|
Polar covalent |
Between |
|
Ionic |
|
(d)
Interpretation:
In the given substances, largely ionic and polar covalent has to be predicted.
Concept introduction:
Polar covalent:
It describe the bonds which has both ionic and covalent character.
Ionic compound:
A compound which consist of anions and cations held together by ionic bond (electrical attraction of opposite charges).
|
Bond type |
Difference in electronegativity |
|
Pure covalent |
|
|
Polar covalent |
Between |
|
Ionic |
|
(e)
Interpretation:
In the given substances, largely ionic and polar covalent has to be predicted.
Concept introduction:
Polar covalent:
It describe the bonds which has both ionic and covalent character.
Ionic compound:
A compound which consist of anions and cations held together by ionic bond (electrical attraction of opposite charges).
|
Bond type |
Difference in electronegativity |
|
Pure covalent |
|
|
Polar covalent |
Between |
|
Ionic |
|
(f)
Interpretation:
In the given substances, largely ionic and polar covalent has to be predicted.
Concept introduction:
Polar covalent:
It describe the bonds which has both ionic and covalent character.
Ionic compound:
A compound which consist of anions and cations held together by ionic bond (electrical attraction of opposite charges).
|
Bond type |
Difference in electronegativity |
|
Pure covalent |
|
|
Polar covalent |
Between |
|
Ionic |
|
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Chapter 4 Solutions
General Chemistry: Atoms First
- Which of the following sets contains an ionic compound, a molecular compound, and an acid, in that order? (A) Al2O3, B2O3, CH3OH; (B) CaCl2, NH4Cl, HCl; (C) CH3F, COCl2, HOCl; (D) CoCl2, COCl2, HClO2.arrow_forwardWrite the chemical formulas for the following compounds:(a) Silver cyanide(b) Calcium hypochlorite(c) Potassium chromate(d) Gallium oxide(e) Potassium superoxide(f) Barium hydrogen carbonatearrow_forwardUse principles of atomic structure to answer each of the following: (1] (a) The radius of the Ca atom is 197 pm; the radius of the Ca2* ion is 99 pm. Account for the difference. (b) The lattice energy of CaO(s) is –3460 kJ/mol; the lattice energy of K20 is –2240 kJ/mol. Account for the difference. (c) Given these ionization values, explain the difference between Ca and K with regard to their first and second ionization energies. Element First lonization Energy (kJ/mol) Second lonization Energy (kJ/mol) K 419 3050 Ca 590 1140 (d) The first ionization energy of Mg is 738 kJ/mol and that of Al is 578 kJ/mol. Account for this difference.arrow_forward
- Many chemical names are similar at first glance. Give the for-mulas of the species in each set: (a) ammonium ion and ammo-nia; (b) magnesium sulfide, magnesium sulfite, and magnesiumsulfate; (c) hydrochloric acid, chloric acid, and chlorous acid; (d) cuprous bromide and cupric bromidearrow_forwardThe atomic number of sulfur is 16. Sulfur combines withhydrogen by covalent bonding to form a compound, hydrogensulfide. Based on the number of valence electrons in a sulfuratom, predict the molecular formula of the compound.(A) HS(B) HS2(C) H2S(D) H4Sarrow_forward(a) Determine the number of sodium ions in the chemicalformula of albite, NaxAlSi3O8. (b) Determine the numberof hydroxide ions in the chemical formula of tremolite,Ca2Mg5(Si4O11)2(OH)x.arrow_forward
- An ionic compound of formula XY2 (X = cation with two positive charges, Y = anion with one negative charge) has the following mass composition: Mg 10.9%, Cl 31.8%, O57.3%. (a) What is the chemical formula and name of the compound? (b) Give the most probable Lewis structure for the ions contained in the compound.arrow_forwardName each ionic compound. In each of these compounds, the metal forms more than one type of ion. (a) CrCl2 (b) C:CI3 (c) SnO2 (d) Pbl2arrow_forward(i) Write the electro-dot structures for sodium, oxygen, and magnesium(ii) Show the formation of Na2O and MgO by the transfer of electrons(iii) What are the ions present in these compounds?arrow_forward
- Which of the following compounds has both ionic and covalent bond? (a) H2O (b) NH4Cl (c) NaCl (d) HClarrow_forwardIodine 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_forward3. Using electronegativity difference, indicate the type of bond between the following atoms: (a) Li-Cl(b) C-Br(c) F-Cl(d) Br-Brarrow_forward
Introduction to General, Organic and BiochemistryChemistryISBN:9781285869759Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar TorresPublisher:Cengage Learning