31. The data table below represents the properties determined by the analysis of substances A, B, C, and D. Substance Melting Point ("C) Boiling Point ("C) Conductivity A -80 -20 none 20 190 none 320 770 as solid D 1250 in solutlon 800 Which substance is an ionic compound? (1) A (2) B (3) C (4) D
31. The data table below represents the properties determined by the analysis of substances A, B, C, and D. Substance Melting Point ("C) Boiling Point ("C) Conductivity A -80 -20 none 20 190 none 320 770 as solid D 1250 in solutlon 800 Which substance is an ionic compound? (1) A (2) B (3) C (4) D
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:31. The data table below represents the properties determined by the analysis of
substances A, B, C, and D.
Substance
Melting Point (°C) Boiling Point ("C)
Conductivity
A
-80
-20
none
20
190
none
320
770
as solid
D
in solution
800
1250
Which substance is an ionic compound?
(1) A
(2) В
(3) С
(4) D
32. A chemist performs the same tests on two homogeneous white crystalline solids, A and B. The
results areshown in the table below.
Solid A
Solid B
Low, decomposes
at 186°C
Melting Point
High, 801°C
Solubility in H,0
(grams per 100.0 g H,0 at 0°C)
Electrical Conductivity
(in aqueous solution)
35.7
3.2
Good conductor
Nonconductor
The results of these tests suggest that
(1) both solids contain only ionic bonds
(2) both solids contain only covalent bonds
(3) solid A contains only covalent bonds and solid B contains only ionic bonds
(4) solid A contains only ionic bonds and solid B contains only covalent bonds
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