The concept that atoms tend to get eight electrons in their outer shell when forming molecules or ions is called the ______________.
Fill in the blank(s) with correct word
[Ques. 2] The Columbia Plateau in the northwestern United States is an example of a(n)
a. flood basalt.
b. batholith.
c. monolith.
d. sill.
[Ques. 3] Mn is a transition element and can form several ions. Its ionic charge in MnF3 must be ______________.
Fill in the blank(s) with correct word
[Ques. 4] Volcanoes that explode violently tend to have magmas of
a. high temperature and low silica content.
b. high temperature and high silica content.
c. low temperature and low silica content.
d. low temperature and high silica content.
[Ques. 5] If aluminum arsenate is AlAsO4, the ionic charge on the arsenate ion must be ______________.
Fill in the blank(s) with correct word
[Ques. 6] That each successive layer of sediments is deposited on top of the previous layer, and hence is younger than the lower layer, is a statement of the
a. theory of plate tectonics.
b. principle of superposition.
c. concept of uniformitarianism.
d. law of catastrophism.
[Ques. 7] If 20.0 g of compound XY decomposes to form 12.0 g of element X and 8.00 g of element Y, ______________ g of element X will be formed by the decomposition of 40.0 g of compound XY.
Fill in the blank(s) with correct word
[Ques. 8] The existence of the Ring of Fire is best explained by the
a. theory of plate tectonics.
b. principle of superposition.
c. concept of uniformitarianism.
d. law of catastrophism.
[Ques. 9] The percentage composition by mass (to the nearest 0.1) of C in sugar, C12H22O11, is ______________.
Fill in the blank(s) with correct word
[Ques. 10] The largest plutons are called
a. sills.
b. dikes.
c. laccoliths.
d. batholiths.
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