Chemical Bonding

The following table summarizes melting points for different types of compounds.

How does the type of compound relate to its melting point?

• The melting points of ionic and covalent compounds show no relationship.

• The melting points for ionic compounds are lower than for covalent compounds.

• The melting points for ionic compounds are higher than for covalent compounds.

• The melting points for ionic compounds are equal to those for covalent compounds.

Sodium and chlorine bond to make the salt, sodium chloride.

What type of bond forms between sodium and chlorine?

• Covalent

• Metallic

• Ionic

• Electromagnetic

Covalent compounds are formed when atoms

• share protons.

• transfer protons.

• share valence electrons.

• transfer valence electrons.

What is the chemical bond that is formed when two atoms share one or more pairs of electrons?

• ionic bond

• orbital bond

• polar bond

• covalent bond

5. Which formula shows an ionic compound?  

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Which of the following correctly represents an ion pair and the ionic compound that the two ions form?

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Unknown elements W and X formed the compound during a reaction. If element W has one valence electron, element X most likely has how many valence electrons?

• 7

• 5

• 3

• 1

What will the result be when a reaction between bismuth and fluorine takes place?

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What is the Metallic ion in the compound CuCl₂

• Cu^2-

• Cu^-

• Cu⁺

• Cu²⁺

What is the correct name of S₄N₂?

• disulfur tetranitrogen

• disulfur nitrate

• tetrasulfur dinitride

• tetranitro disulfide