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Structure and Properties, Questions - Coggle Diagram
Structure and Properties
Structure of substances
Substances
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Molecular structures (Simple molecular structures) 
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Liquids
E.g. water, H2O alcohol, C2H5OH
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Gases
E.g. oxygen, O2 carbon dioxide, CO2
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Questions
Which of the following are the properties of diamond?
(1) high melting point.
(2) good conductor of electricity
(3) strong three dimensional network
(4) giant atomic structure*
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A. (1) and (3) only
B. (2) and (4) only
C. (1), (3) and (4) only
D. (2), (3) and (4) only
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Substance P has a very high melting point and does not conduct electricity at room temperature. It may have
(1) a simple molecular structure.
(2) a giant covalent structure.
(3) an ionic structure.
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A. (2) only
B. (3) only
C. (1) and (2) only
D. (2) and (3) only
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Which of the following properties of potassium bromide is/ are evidence(s) to support that ionic bonds are strong?
(1) It is a solid at room conditions.
(2) It has a high melting point.
(3) It can conduct electricity in molten state. * 0/1
A. (2) only
B. (1) and (2) only
C. (2) and (3) only
D. (1), (2) and (3)
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Which of the following statements about sodium bromide is incorrect?
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A. Sodium bromide has a high melting point.
B. When crystalline sodium bromide is dissolved in water, the ions are free to move.
C. A solution of sodium bromide is electrically neutral.
D. Bromide ions present in sodium bromide have different chemical properties from bromine.
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