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q showQuestions-15.php - true false • Covalent molecules...

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PS100 Questions from Chapter 23 Comprehension matching The chemical bond between two non-metals characterized by sharing of valence electrons. A polar bond. A material in which another material dissolves. Having a pH value less than 7, meaning that the hydronium ion concentration is greater than in pure water. Chemical compounds between the elements carbon and hydrogen. The compounds that make up gasoline are examples. Ions composed of more than one covalently-bound atom. A covalent bond involving two pairs of electrons shared between the two bound atoms. Bonds or molecules having an unequal distribution of charge (one end being positive, the other negative). Forces between molecules. true/false Covalent materials exist as molecules. true false Metal and non-metal substances combine to form covalent compounds.
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Unformatted text preview: true false • Covalent molecules do not have well-defined shapes. true false • The triple covalent bond of carbon monoxide (CO) is a type of weak chemical interaction. true false Analysis • Which type of bonding involves the sharing of electrons? Ionic bonding Covalent bonding Chemical bonding Physical bonding • Which of these substances consists of individual molecules? Diamond (C) Graphite (C) Water (H 2 O) Sodium chloride (NaCl) Hydrogen(H 2 ) Chlorine (Cl 2 Ammonia (NH 3 ) • Which of the following pairs of elements would you expect to be covalently bonded (no ionic or metallic bonds): 27 Co and 28 Ni 19 K and 9 F 15 P and 8 O 11 Na and 53 I Check Answers Choose a different chapter....
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q showQuestions-15.php - true false • Covalent molecules...

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