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What is the correct name for the compound, CuCl2?


A) copper chloride
B) copper dichloride
C) copper(II) chloride
D) copper chloride(II)

E) A) and B)
F) A) and C)

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Which combination of elements results in the formation of a white crystalline solid that dissolves to form a solution that conducts electricity?


A) metal and metal
B) non-metal and non-metal
C) metal and non-metal
D) metal and metalloid

E) B) and C)
F) C) and D)

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A covalent bond is a shared pair of electrons.

A) True
B) False

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Atoms that have eight valence electrons would tend to


A) be very reactive.
B) be inert.
C) form positive ions.
D) form negative ions.

E) None of the above
F) A) and B)

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The formation of a positive ion


A) occurs when an atom gains a proton.
B) involves a release of energy.
C) occurs when an electron is removed from an atom.
D) occurs in covalent bonding.

E) A) and B)
F) None of the above

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Consider the electron dot diagram of the unknown element X: Consider the electron dot diagram of the unknown element X:   This atom would most likely A) form an ion of +6 charge. B) react with hydrogen to form H<sub>2</sub>X. C) lose two electrons when forming an ion. D) form an ion of +2 charge. This atom would most likely


A) form an ion of +6 charge.
B) react with hydrogen to form H2X.
C) lose two electrons when forming an ion.
D) form an ion of +2 charge.

E) A) and C)
F) None of the above

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When atoms of non-metallic elements react with one another, they tend to seek stability by


A) acquiring a noble gas electron arrangement.
B) losing electrons.
C) forming ionic bonds.
D) None of the above.

E) A) and D)
F) C) and D)

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The smallest unit of a covalent compound that still retains the properties of the compound is called a (an)


A) electron.
B) atom.
C) molecule.
D) dipole.

E) A) and B)
F) C) and D)

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Atoms from an element in group IIA are allowed to react with atoms from an element in group VIIA.What type of compound is likely to form?


A) ionic
B) covalent
C) polar
D) None of the above.

E) A) and C)
F) None of the above

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An atom becomes a positive ion by gaining an electron.

A) True
B) False

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