7questions
question 21. correctly order the steps of drawing a covalent structure
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7questions
question 21. correctly order the steps of drawing a covalent structure
a. draw the bonding electrons between atoms.
b. distribute remaining electrons in non-bonded pairs.
c. count the number of bonded electrons and subtract from total.
d. count the total valence electrons
e. check the octet rule for all atoms in the molecule.
f. draw the skeleton structure
question 2.
which type of bond is a result of the sharing of electrons between two more atoms?
a. metallic
b. crystal
c. covalent
d. ionic
question 3.
which of the following would form an ionic bond? select all that apply
-fluorine and fluorine
-hydrogen and chlorine
-calcium and iodine
-magnesium and oxygen
question 4.
compare and contrast sigma and pi bonds, including their shape and properties.
question 5.
which of the following interparticle forces is the weakest?
a. hydrogen bonding
b. ion-ion
c. london dispersion
d. dipole
question 6.
which of the following bonds could be characterized as polar covalent?
a. hydrogen-oxygen
b. nitrogen-nitrogen
c. chlorine-chlorine
d. oxygen-oxygen
question 7. covalent bonds, when they are compared to ionic compounds, have the following relationship:
a. are better conductors if heat and electricity
b. have lower melting points and boiling points
c. have higher melting points and boiling points
d. have a crystal structure and a formula unit
Answers: 1
Chemistry, 21.06.2019 23:00
City a and city b had two different temperatures on a particular day. on that day, four times the temperature of city a was 8â° c more than 3 times the temperature of city b. the temperature of city a minus twice the temperature of city b was â’3â° c. what was the temperature of city a and city b on that day? city a was 5â° c, and city b was 4â° c. city a was 3â° c, and city b was â’1â° c. city a was 8â° c, and city b was â’3â° c. city a was 5â° c, and city b was â’5â° c.
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Chemistry, 22.06.2019 15:00
‘which reaction would most likely require the use of an inert electrode?
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