University:
Colgate University
Course:
CHEM 101 | General Chemistry I
Academic year:

2021
Views:

37

Pages:

2
Author:

aterizareofn

Chemical Bonding Worksheet Ionic Bond Covalent Bond Metallic Bond between a Metal and Non-Metal between a Non-Metal and Non-Metal between a Metal and Metal Compound Name Oxidation states of each atom Bond Type nitrogen dioxide N = 4 covalent NaCl sodium chloride Na = 1 ionic underline C | =-1 sulfur dioxide S = 4 covalent phosphate anion covalent 0 = - 2 MgBr2 magnesium bromide Mg = 2 ionic Cao calcium oxide Ca = 2 ionic O = - 2 water H = 1 covalent K₂O potassium oxide Cu-Zn alloy brass oxygen gas CuCl2 copper(II) chloride Zn = 0 o = - 2 Cu = 0 k = 1 lonic metallic covalent ionic Cu = 2 underline c | =-1 N*O_{2} ^ - nitrite anion covalent TiO₂ titanium (IV) oxide pi = 4 ionic HF hydrofluoric acid H = 1 covalent rubidium sulfide overline Rb = 1 F = - 1 lonic Au-Pt mixture white gold overline Au = 0 metallic Pt = 0 iron (III) oxide O = - 2 Fe = 3 ionic glucose covalent O = - 2 H = - 1 Br = - 1 N = 3 O = - 2 O = - 2 S = - 2 c = 4 O = - 2 o = 0 O = - 2 P = 5 O = - 2 C_{6}*H_{12}*O_{6} F*e_{2}*O_{3} O_{2} R*b_{2}*S S*O_{2} H_{2}*O P O 4 ^ 3- N*O_{2} Difference in electronegativity 4.0 1.7 4 0 Ionic Polar-covalent bond covalen covalent 100% 50% 5% 0% Percentage Ionic character Bonding between Molecular Formula Name Oxidation states of each atom Bond Type Sulfur and Hydrogen hydrosulfic acid H = 1 covalent Sulfur and cesium cesium sulfide Cs = 1 S = - 2 ionic Chlorine and bromine CIBr chlorine tri bromide C * 1 = 3 covalent Br = - 1 Calcium and chlorine CaCl₂ calcium chloride Ca = 2 ionic Oxygen and hydrogen HO water H = 1 polar covalent Nitrogen and hydrogen NH ammonia polar covalent Iodine and iodine 12 solid iodine covalent Copper and sulfur CuS copper (II) sulfide Cu = 2 ionic Hydrogen and fluorine HF hydrofluoric acid H = 1 polar covalent Carbon and oxygen C*O_{2} carbon dioxide c = 4 polar covalent 1. Arrange these compounds in order of increasing ionic character of their bonds: LiF, LiBr, KCI, KI K*I_{r} LIB, KCI, LIF 2. Classify each of the bonds as either ionic or covalent. a. Al-OI b. A-S C c. Bi-C C d. Bi-O1 e. C-CI C f. N - OC g. Na - SC j. Ti-Br C h. p - OC k. C-OC 1. S-OC 1. Sr-Cl 1 3. What force holds the two ions together in an ionic bond? Electrostatic attractions 4. What is the meaning of the oxidation number of an element that forms an ionic bond? The charge of each ion (the number of electrons it lost or gained) 5. What is a molecule? Species formed when 2 or more nonmetals bond covalently 6. How are molecules and polyatomic ions alike? How are they different? They are both collections of nonmetals covalently bonded molecules are neutral whereas, polyatomic ions are charged O = - 2 N = - 3 0 = - 2 I = 0 H = 1 CI = - 1 S = - 2 S = - 2 F = - 1 H_{2}*S C*S_{2}*S

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