Element 17 (Cl) and 9 (F) ________
A) are chemically relatively inert because they adjacent to the inert gases on the periodic table
B) behave as metals because they lie on the right side of the periodic table
C) are chemically very different because they lie directly below each other on the periodic table
D) are chemically similar because they lie directly below each other on the periodic table
D
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Answer the following statement(s) true (T) or false (F)
1. The barren landscape in Mediterranean regions today is partly the result of human activities. 2. The Black Triangle of chemical contamination is found along the Czech, Polish, and East German borders. 3. Russia is now a member of NATO. 4. Beginning in the 1970s the European Union (EU) invested large sums of money to improve infrastructure in lagging regions of Europe. 5. Most decisions in France are made in Paris by a very centralized form of government.
Hydrolysis is particularly effective in weathering ____
A)limestone B)sandstone C)bauxite D)calcite E)feldspar
What does the lowercase letter w indicate about an air mass?
A) The air mass is warmer than the surface over which it is passing. B) The air mass is wetter than the surface over which it is passing. C) The air mass is colder than the surface over which it is passing. D) The air mass is drier than the surface over which it is passing.
Which glacial erosion feature is likely to contain a waterfall today?
A) Tarn B) Hanging valley C) Esker D) Horn