Chem 1406 Test 2 TCC with all Correct & 100% Verified
Answers |Latest Version |Already Graded A+
what type of bond occurs between two non-metals?
a) ionic b) covalent ✔Correct Answer-B
In which type of bond do the two atoms involved have the greatest difference in
electronegativity?
a) ionic b) nonpolar c) polar ✔Correct Answer-A
Which type of bond involves a transfer of electrons?
a) ionic b) nonpolar c) polar d) both b&c ✔Correct Answer-A
Which bond type results in partial charges on a molecule?
a) ionic b) nonpolar c) polar ✔Correct Answer-C
How many valence electrons does a neutral atom of fluorine have?
a) -1 b) 2 c) 7 d) 8 e) 9 ✔Correct Answer-C
What charge of stable ion does magnesium tend to form?
a) -1 b) -2 c) +1 d) +2 ✔Correct Answer-D
What charge of stable ion does sulfur tend to form?
a) -1 b) -2 c) +1 d) +2 ✔Correct Answer-B
Which bond(s) is/are nonpolar?
a) C-O
b) C-H
c) O=O
d) both b & c
e) none of these; a, b & c are all polar bonds ✔Correct Answer-D
What type of compound is Na2S ?
a) ionic
b) covalent ✔Correct Answer-A
What is the proper name for Na2S ?
a) sodium sulfide b) disodium sulfide
c) sodium sulfate d) sodium sulfite ✔Correct Answer-A
What type of compound is PCl3 ?
a) ionic
, b) covalent ✔Correct Answer-B
What is the proper name for PCl3 ?
a) phosphorus chloride b) phosphorus trichloride
c) phosphorus chlorate d) phosphorus chlorite ✔Correct Answer-B
What is the proper name for K3PO4 ?
a) potassium phosphorus oxide
b) tripotassium phosphorus tetroxide
c) phosphorus potassium oxide
d) phosphorus peroxide
e) potassium phosphate ✔Correct Answer-E
What is the formula of copper (II) fluoride?
a) CuF2
b) Cu2F
c) CuF
d) CuFl
e) CuFl2 ✔Correct Answer-A
What is the formula of calcium sulfide?
a) CaS2
b) Ca2S
c) CaS
d) CaSO4
e) Ca2SO4 ✔Correct Answer-C
What is the formula of magnesium nitride?
a) MgN
b) Mg2N3
c) Mg3N2
d) Mg(NO3)2
e) MgNO3 ✔Correct Answer-C
What is the formula of ammonium phosphide?
a) AmP
b) AmPO4
c) NH4P
d) NH4PO4
e) (NH4)3P ✔Correct Answer-E
What is the formula of sulfate?
a) S2-
b) SO31-
Answers |Latest Version |Already Graded A+
what type of bond occurs between two non-metals?
a) ionic b) covalent ✔Correct Answer-B
In which type of bond do the two atoms involved have the greatest difference in
electronegativity?
a) ionic b) nonpolar c) polar ✔Correct Answer-A
Which type of bond involves a transfer of electrons?
a) ionic b) nonpolar c) polar d) both b&c ✔Correct Answer-A
Which bond type results in partial charges on a molecule?
a) ionic b) nonpolar c) polar ✔Correct Answer-C
How many valence electrons does a neutral atom of fluorine have?
a) -1 b) 2 c) 7 d) 8 e) 9 ✔Correct Answer-C
What charge of stable ion does magnesium tend to form?
a) -1 b) -2 c) +1 d) +2 ✔Correct Answer-D
What charge of stable ion does sulfur tend to form?
a) -1 b) -2 c) +1 d) +2 ✔Correct Answer-B
Which bond(s) is/are nonpolar?
a) C-O
b) C-H
c) O=O
d) both b & c
e) none of these; a, b & c are all polar bonds ✔Correct Answer-D
What type of compound is Na2S ?
a) ionic
b) covalent ✔Correct Answer-A
What is the proper name for Na2S ?
a) sodium sulfide b) disodium sulfide
c) sodium sulfate d) sodium sulfite ✔Correct Answer-A
What type of compound is PCl3 ?
a) ionic
, b) covalent ✔Correct Answer-B
What is the proper name for PCl3 ?
a) phosphorus chloride b) phosphorus trichloride
c) phosphorus chlorate d) phosphorus chlorite ✔Correct Answer-B
What is the proper name for K3PO4 ?
a) potassium phosphorus oxide
b) tripotassium phosphorus tetroxide
c) phosphorus potassium oxide
d) phosphorus peroxide
e) potassium phosphate ✔Correct Answer-E
What is the formula of copper (II) fluoride?
a) CuF2
b) Cu2F
c) CuF
d) CuFl
e) CuFl2 ✔Correct Answer-A
What is the formula of calcium sulfide?
a) CaS2
b) Ca2S
c) CaS
d) CaSO4
e) Ca2SO4 ✔Correct Answer-C
What is the formula of magnesium nitride?
a) MgN
b) Mg2N3
c) Mg3N2
d) Mg(NO3)2
e) MgNO3 ✔Correct Answer-C
What is the formula of ammonium phosphide?
a) AmP
b) AmPO4
c) NH4P
d) NH4PO4
e) (NH4)3P ✔Correct Answer-E
What is the formula of sulfate?
a) S2-
b) SO31-
