PC 101 Homework 02 Given each compound or molecule, first state whether each atom is a...
PC 101 Homework 02
Given each compound or molecule, first state whether each atom is a metal or nonmetal. Then, using your electronegativity chart, provide the electronegativity (En) values for each atom and then mathematically predict whether the bond between the atoms will be an ionic bond, a polar covalent bond, or a nonpolar covalent bond.
Compound/Molecule
1st
Atom (metal or nonmetal)
1st atom’s En
Value 2nd Atom
(metal or nonmetal) 2nd
Atom’s En Value En
Difference Bond
Type
-
H-Cl
______________________
_______________
_______________________
________________
__________
_________
2.
H-C
______________________
_______________
_______________________
________________
__________
_________
3.
H-Br
______________________
_______________
_______________________
________________
__________
_________
4.
Cl-Cl
______________________
_______________
_______________________
________________ __________
_________
5.
N-N
______________________
_______________
_______________________
________________
__________
_________
6.
K-Br
______________________
_______________
_______________________
________________
__________
_________
7.
Fe-O
______________________
_______________
_______________________
________________
__________
_________
8.
Mg-Cl
______________________
_______________
_______________________
________________
__________
_________
9.
H-N
______________________
_______________
_______________________
________________
__________
_________
10.
C-O
______________________
_______________
_______________________
________________
__________
_________
11.
Ca-O
______________________
_______________
_______________________
________________
__________
_________
12. Ba-Cl ______________________ _______________ _______________________ ________________ __________ _________
Homework Answers
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PC 101 Homework 02
Given each compound or molecule, first state whether
each atom is a...
Part A Review Constants Periodic Table Learning Goal: Consider the following element combinations. Classify the bonds...
Part A Review Constants Periodic Table Learning Goal: Consider the following element combinations. Classify the bonds formed between each pair as ionic, polar covalent, or nonpolar covalent qualitatively based solely on each element's position on the periodic table. To use electronegativity or metal versus nonmetal classifications to distinguish covalent polar covalent, and ionic bonds. not conduct calculations. Drag the appropriate items to their respective bins. When two bonded atoms attract electrons with View Available Hint(s) equal strength, the result is...
Using the electronegativity table, determine whether the following bonds are pure covalent bond (nonpolar), polar covalent...
Using the electronegativity table, determine whether the following bonds are pure covalent bond (nonpolar), polar covalent bond, or ionic bond. Question Selected Match O-H H-Cl N-H C-C K-Cl N-Cl C-O H-H Cs-F C-S
(18) 10. Match the following descriptions with the correct term: covalent bond that results between atoms...
(18) 10. Match the following descriptions with the correct term: covalent bond that results between atoms of differing electronegativities electrons found in the outermost s and p sublevels of an atom or an ion bond that results when a metal transfers one or more valence electrons to a nonmetal smallest identifiable unit of a molecular compound ability of an element to attract electrons within a chemical bond bond that results when two nonmetal atoms share valence electrons smallest identifiable unit...
(18) 10. Match the following descriptions with the correct term: covalent bond that results between atoms...
(18) 10. Match the following descriptions with the correct term: covalent bond that results between atoms of differing electronegativities electrons found in the outermost s and p sublevels of an atom or an ion bond that results when a metal transfers one or more valence electrons to a nonmetal smallest identifiable unit of a molecular compound ability of an element to attract electrons within a chemical bond bond that results when two nonmetal atoms share valence electrons smallest identifiable unit...
6. [4 points] Circle the species in each of the following pairs of atoms that has...
6. [4 points] Circle the species in each of the following pairs of atoms that has the higher first ionization energy (a) Cs or Rb (b) O or Te (c) Cl or Mg (d) Li or Ne 7. [5 points] Write the condensed electron configurations for the following ions (a) Mg Answer: (b) O Answer (c) Fe (d) Mn (e) Ni Answer Answer Answer 8. [4 points] Circle the solid in each of the following sets of ionic compounds that...
NAme SAnIRA ID 05100 9 Worksheet-Polarity of Bonds III. Using the table of electronegativities from your...
NAme SAnIRA ID 05100 9 Worksheet-Polarity of Bonds III. Using the table of electronegativities from your Periodic table calculate the EN difference for the atoms that are bonded in the I. Determine the type of bond (ionic, polar covalent, or non-polar covalent) that will form between atoms of the following elements and show the polarity of the bond if it is polar covalent. following molecules. Then tell whether the bond is nonpolar covalent, polar covalent, or ionic. Tell which atom...
Critical thinking questions 1) Determne the average electronegativity between EN1 and EN2 for eac...
Critical thinking questions
1) Determne the average electronegativity between EN1 and EN2
for each bond in the table above. Based on the data on table 1,
what combination of ΔEN given and average EN
values leads to ionic bonding?
2) Based on the data in table 1, what combination of
ΔEN and average EN values leads to non polar
covalent bonding?
3) Based on the data in table 1, what combination of
ΔEN and average EN values leads to polar...
In the compound shown below, how can the bond between carbon and chlorine be described? A)...
In the compound shown below, how can the bond between carbon and chlorine be described? A) intermolecular B) ionic C) nonpolar covalent D) polar covalent E) nonpolar ionic What statement about the ammonia molecule, NH3, is FALSE? A) The molecule contains three polar bonds. B) The molecule itself is not polar. C) The molecule has a trigonal pyramidal shape. D) The nitrogen atom has one nonbonding pair of electrons. E) The pull of the electrons in the N-H bonds is...
3. For each of the following sets of elements, identify the element expected to be the...
3. For each of the following sets of elements, identify the element expected to be the most electronegative and that expected to be the least. a. Li, F, C b. I, CI, F c. Li, Rb, Cs 4. On the basis of electronegativity values given in Figure 11.3, indicate if the following bonds are polar covalent, nonpolar covalent or ionic a. K-N b. Cs- c. C-N d. O-F 5. On the basis of the electronegativity values, indicate which is the...
Classify the bonds formed between each pair of elements based on electronegativity values in the following...
Classify the bonds formed between each pair of elements based on electronegativity values in the following table: Element Sc Be H P S I Br Cl O F Electronegativity 1.3 1.5 2.1 2.1 2.5 2.5 2.8 3.0 3.5 4.0 S-I,,,,,H-Br,,,,H-P,,,,S-O,,,,Be-F,,,,Be-Cl,,,,Sc-O Ionic: polar covalent: nonpolar covalent:
Part A Review Constants Periodic Table Learning Goal: Consider the following element combinations. Classify the bonds formed between each pair as ionic, polar covalent, or nonpolar covalent qualitatively based solely on each element's position on the periodic table. To use electronegativity or metal versus nonmetal classifications to distinguish covalent polar covalent, and ionic bonds. not conduct calculations. Drag the appropriate items to their respective bins. When two bonded atoms attract electrons with View Available Hint(s) equal strength, the result is...
(18) 10. Match the following descriptions with the correct term: covalent bond that results between atoms of differing electronegativities electrons found in the outermost s and p sublevels of an atom or an ion bond that results when a metal transfers one or more valence electrons to a nonmetal smallest identifiable unit of a molecular compound ability of an element to attract electrons within a chemical bond bond that results when two nonmetal atoms share valence electrons smallest identifiable unit...
(18) 10. Match the following descriptions with the correct term: covalent bond that results between atoms of differing electronegativities electrons found in the outermost s and p sublevels of an atom or an ion bond that results when a metal transfers one or more valence electrons to a nonmetal smallest identifiable unit of a molecular compound ability of an element to attract electrons within a chemical bond bond that results when two nonmetal atoms share valence electrons smallest identifiable unit...
6. [4 points] Circle the species in each of the following pairs of atoms that has the higher first ionization energy (a) Cs or Rb (b) O or Te (c) Cl or Mg (d) Li or Ne 7. [5 points] Write the condensed electron configurations for the following ions (a) Mg Answer: (b) O Answer (c) Fe (d) Mn (e) Ni Answer Answer Answer 8. [4 points] Circle the solid in each of the following sets of ionic compounds that...
NAme SAnIRA ID 05100 9 Worksheet-Polarity of Bonds III. Using the table of electronegativities from your Periodic table calculate the EN difference for the atoms that are bonded in the I. Determine the type of bond (ionic, polar covalent, or non-polar covalent) that will form between atoms of the following elements and show the polarity of the bond if it is polar covalent. following molecules. Then tell whether the bond is nonpolar covalent, polar covalent, or ionic. Tell which atom...
Critical thinking questions
1) Determne the average electronegativity between EN1 and EN2
for each bond in the table above. Based on the data on table 1,
what combination of ΔEN given and average EN
values leads to ionic bonding?
2) Based on the data in table 1, what combination of
ΔEN and average EN values leads to non polar
covalent bonding?
3) Based on the data in table 1, what combination of
ΔEN and average EN values leads to polar...
In the compound shown below, how can the bond between carbon and chlorine be described? A) intermolecular B) ionic C) nonpolar covalent D) polar covalent E) nonpolar ionic What statement about the ammonia molecule, NH3, is FALSE? A) The molecule contains three polar bonds. B) The molecule itself is not polar. C) The molecule has a trigonal pyramidal shape. D) The nitrogen atom has one nonbonding pair of electrons. E) The pull of the electrons in the N-H bonds is...
3. For each of the following sets of elements, identify the element expected to be the most electronegative and that expected to be the least. a. Li, F, C b. I, CI, F c. Li, Rb, Cs 4. On the basis of electronegativity values given in Figure 11.3, indicate if the following bonds are polar covalent, nonpolar covalent or ionic a. K-N b. Cs- c. C-N d. O-F 5. On the basis of the electronegativity values, indicate which is the...
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