If an atom has six electrons in its second shell and its first shell is filled, it will tend to
a. gain two electrons in its second shell
b. lose all of its electrons from its outer shell
c. lose all of its electrons from its inner shell
d. gain four electrons in its outer shell
6.
The formula CO2 means
a. an atom contains two carbon molecules and one oxygen molecule
b. an atom contains one carbon molecule and two oxygen molecules
a molecule contains two carbon atoms and one oxygen atom
d. a molecule contains one carbon atom and two oxygen atoms
7.
Compounds covalently bonded
a. yield hydrogen atoms upon decomposition
b. produce charged particles when dissolved in water
c. are produced by sharing electrons
d. are formed by an exchange of electrons from inner shells
Which of the following compounds is an acid?
KPH K+ + OH
c. CC14 +
8.
Answers: 2
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If an atom has six electrons in its second shell and its first shell is filled, it will tend to
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