Question 1

Identify the following crystalline solids as ionic, molecular, or metallic.
-silicon carbide, SiC, m.p.: 2700 °C

Accepted Answer

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Question 2

Identify each of the compounds as molecular or non-molecular.
-sodium oxide

Accepted Answer

Sodium oxide is an ionic compound made up of a metal (sodium) and a non-metal (oxygen). Ionic compounds are non-molecular, meaning they are made up of ions and not discrete molecules.

Question 3

Identify the following crystalline solids as ionic, molecular, or metallic.
-copper (II) carbonate, CuCO₃ (or cupric carbonate)

Accepted Answer

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Question 4

Identify the following crystalline solids as ionic, molecular, or metallic. -glucose, C₆H₁₂O₆

Accepted Answer

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Question 5

Identify the following crystalline solids as ionic, molecular, or metallic.
-sodium fluoride, NaF, m.p.: 993 °C

Accepted Answer

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Question 6

Identify each of the compounds as molecular or non-molecular.
-methane

Accepted Answer

Methane is a compound made up of individual molecules consisting of one carbon atom and four hydrogen atoms, thus it is considered a molecular compound. Non-molecular compounds usually refer to ionic compounds which are formed by a transfer of electrons between atoms, rather than the sharing of electrons in covalent bonds as found in molecular compounds.

Question 7

Identify the following crystalline solids as ionic, molecular, or metallic.
-chromium, Cr

Accepted Answer

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Question 8

Identify each of the compounds as molecular or non-molecular.
-hydrogen

Accepted Answer

Hydrogen exists as molecules with two hydrogen atoms bonded together, which makes it a molecular compound.

Question 9

Identify each of the compounds as molecular or non-molecular.
-graphite

Accepted Answer

Graphite is a non-molecular compound consisting of a three-dimensional network structure of carbon atoms held together by strong covalent bonds.

Question 10

Identify each of the compounds as molecular or non-molecular.
-ammonia

Accepted Answer

Ammonia is a compound composed of non-metal elements, nitrogen and hydrogen. Therefore, it is a molecular compound.

Question 11

Identify the following crystalline solids as ionic, molecular, or metallic.
-What is the general trend in terms of increasing melting point for ionic solids, molecular solids, and network covalent solids?

Accepted Answer

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Question 12

Identify each of the compounds as molecular or non-molecular.
-silicon dioxide

Accepted Answer

Silicon dioxide is a non-molecular compound, also known as a network covalent solid, which forms a continuous array of atoms held together by covalent bonds in a three-dimensional structure. It does not consist of discrete molecules.

Question 13

Quartz and diamond are non-molecular solids, where the atoms are held together with covalent bonds.

Accepted Answer

Quartz and diamond are both composed of atoms held together with covalent bonds, making them non-molecular solids.

Question 14

Identify the following crystalline solids as ionic, molecular, or metallic.
-ethanol, C₂H₆O, m.p.: -117 °C

Accepted Answer

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Question 15

Identify the following crystalline solids as ionic, molecular, or metallic. -calcium chloride, CaCl₂

Accepted Answer

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Question 16

Identify the following crystalline solids as ionic, molecular, or metallic.
-niobium, Nb, m.p.: 2468 °C

Accepted Answer

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Question 17

Identify the following crystalline solids as ionic, molecular, or metallic. -magnesium chloride, MgCl₂, m.p.: 714 °C

Accepted Answer

The answer of Identify the following crystalline solids as ionic,...

Question 18

Identify the following crystalline solids as ionic, molecular, or metallic.
-iodine, I₂

Accepted Answer

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Question 19

Identify each of the compounds as molecular or non-molecular.
-sodium chloride

Accepted Answer

Sodium chloride is an ionic compound, which means it is formed by the attraction of positively and negatively charged ions. Therefore, it is non-molecular.

Question 20

Identify each of the compounds as molecular or non-molecular.
-water

Accepted Answer

Water is a compound made up of covalently bonded hydrogen and oxygen atoms, making it a molecular compound. Non-molecular compounds are typically made up of ions or a combination of metal and non-metal atoms.

Quiz 7: Intermolecular Forces and the Phases of Matter

Identify the following crystalline solids as ionic, molecular, or metallic. -silicon carbide, SiC, m.p.: 2700 °C

Identify each of the compounds as molecular or non-molecular. -sodium oxide

Identify the following crystalline solids as ionic, molecular, or metallic. -copper (II) carbonate, CuCO₃ (or cupric carbonate)

Identify the following crystalline solids as ionic, molecular, or metallic. -glucose, C₆H₁₂O6

Identify the following crystalline solids as ionic, molecular, or metallic. -sodium fluoride, NaF, m.p.: 993 °C

Identify each of the compounds as molecular or non-molecular. -methane

Identify the following crystalline solids as ionic, molecular, or metallic. -chromium, Cr

Identify each of the compounds as molecular or non-molecular. -hydrogen

Identify each of the compounds as molecular or non-molecular. -graphite

Identify each of the compounds as molecular or non-molecular. -ammonia

Identify the following crystalline solids as ionic, molecular, or metallic. -What is the general trend in terms of increasing melting point for ionic solids, molecular solids, and network covalent solids?

Identify each of the compounds as molecular or non-molecular. -silicon dioxide

Quartz and diamond are non-molecular solids, where the atoms are held together with covalent bonds.

Identify the following crystalline solids as ionic, molecular, or metallic. -ethanol, C₂H₆O, m.p.: -117 °C

Identify the following crystalline solids as ionic, molecular, or metallic. -calcium chloride, CaCl2

Identify the following crystalline solids as ionic, molecular, or metallic. -niobium, Nb, m.p.: 2468 °C

Identify the following crystalline solids as ionic, molecular, or metallic. -magnesium chloride, MgCl2, m.p.: 714 °C

Identify the following crystalline solids as ionic, molecular, or metallic. -iodine, I₂

Identify each of the compounds as molecular or non-molecular. -sodium chloride

Identify each of the compounds as molecular or non-molecular. -water

Identify the following crystalline solids as ionic, molecular, or metallic. -glucose, C₆H₁₂O₆

Identify the following crystalline solids as ionic, molecular, or metallic. -calcium chloride, CaCl₂

Identify the following crystalline solids as ionic, molecular, or metallic. -magnesium chloride, MgCl₂, m.p.: 714 °C