Which electrons are responsible for most chemical bonding?
A) innermost electron shell because the electrons can be transferred to the nucleus
B) middle electron shell because they are intermediate in distance between the nucleus and the adjacent atom that bonds with the atom
C) outer electron shell because these electrons can be readily exchanged with adjacent atoms
D) Any electron can exchange with adjacent atoms to form a bond; there is no preference.
C
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Which river has the largest average discharge in the world?
a. The Amazon River in Brazil b. The Congo River in Zaire c. The Yangtze River in China d. The Mississippi River in United States
Ultimately, the sunlight energy that strikes Earth is
A) eventually lost into space as heat. B) stored permanently in molecules that are located deep within the Earth. C) stored permanently in minerals and rocks deep within the oceans. D) converted to potential energy and stored in animals and plant tissues permanently.
The most common mafic volcanic rock is ________.
A. rhyolite B. tuff C. basalt D. obsidian E. andesite
Sedimentary rocks are an important source of information about the Earth's history
Indicate whether the statement is true or false