1.- Arrange the following bonds in order of increasing ioniccharacter: carbon to
ID: 76709 • Letter: 1
Question
1.- Arrange the following bonds in order of increasing ioniccharacter: carbon to hydrogen, fluorine to hydrogen, bromine tohydrogen, sodium to chlorine, potassium to fluorine, lithium tochlorine. 2.- Classify the following bonds as ionic, polarcovalent, or nonpolar covalent, and explain: a) the SiSi bond inCl3SiSiCl3, b) the SiCl bond inCl3SiSiCl3, c) the CaF bond inCaF2, d) the NH bond in NH3, e) the CF bondin CF4, f) the NB bond in H3NBCl3, g) the CCbond in H3CCH3, h) the KI bond in KI 1.- Arrange the following bonds in order of increasing ioniccharacter: carbon to hydrogen, fluorine to hydrogen, bromine tohydrogen, sodium to chlorine, potassium to fluorine, lithium tochlorine. 2.- Classify the following bonds as ionic, polarcovalent, or nonpolar covalent, and explain: a) the SiSi bond inCl3SiSiCl3, b) the SiCl bond inCl3SiSiCl3, c) the CaF bond inCaF2, d) the NH bond in NH3, e) the CF bondin CF4, f) the NB bond in H3NBCl3, g) the CCbond in H3CCH3, h) the KI bond in KIExplanation / Answer
Si, Sn, C,Ge, Pb: These are allelements of Group IVA (Group 14). Metallic character within anyone
group or family ofelements increases down the column, as the atomic number increases.Therefore the order of
increasing metalliccharacter here is C, Si, Ge, Sn, Pb . Carbon is a nonmetal, siliconand germanium are
semimetals, tin and leadare metals.
Si, Cl, Al,Na, P: These are allelements of the third period or row in the periodic table.Metallic
character increases aswe go across any one period toward the left. Therefore the order ofincreasing metallic
character here is Cl, P,Si, Al, Na . Chlorine and phosphorus are nonmetals, silicon is asemimetal,
aluminum and sodium aremetals.
As, P, Bi,Sb, N: These are allelements of Group VA (Group 15). Metallic character increases aswe
go downward within anyone group to elements of higher atomic number. The order ofincreasing metallic
character is thereforeN, P, As, Sb, Bi . Nitrogen and phosphorus are nonmetals, arsenicand antimony are
semimetals, bismuth is ametal.
N, B,Li, F, O: These elementsare all in the second period or row of the periodic table.Metallic
character increases aswe go to the left across any one period. Thus the order ofincreasing metallic character is
F, O, N, B, Li .Fluorine, oxygen, and nitrogen are nonmetals, boron is a semimetal,lithium is a metal.
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