How is it possible to deduce the identity of an element from its electron configuration?
A. Using the periodic table, the outermost occupied shell indicates the group while the number of occupied shells indicates the period.
B. If the atom is electrically neutral, the number of electrons corresponds to the atom's atomic number.
C. The number of occupied shells corresponds to the atom's atomic number.
D. An electron configuration is unique to each element, much like its atomic spectrum.
Answer: B
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Which of the following is true regarding the solubility of liquids and solids?
A) Solubility always decreases as temperature increases. B) Solubility always increases as temperature increases. C) Solubility usually decreases as temperature increases. D) Solubility usually increases as temperature increases.
The most stable layer in terms of temperature and density is the mixed layer
Indicate whether the statement is true or false
Moose, lynx, and burrowing rodent species are most likely found in which of the following?
A. temperate grasslands B. deserts C. boreal forests D. tropical forests E. savannahs
Before human occupation, what kind of vegetation predominated in the Inland South?
A) Grasses B) Wetland plants C) Forests D) Both A and B