Groundwater Major Elements Quiz
Test your knowledge of the major elements commonly found in groundwater. Answer all questions to the best of your ability.
Which of the following is considered a major cation in groundwater?
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Calcium (Ca²⁺)
Lead (Pb²⁺)
Mercury (Hg²⁺)
Arsenic (As³⁺)
Select all major anions typically found in groundwater.
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Chloride (Cl⁻)
Nitrate (NO₃⁻)
Bicarbonate (HCO₃⁻)
Copper (Cu²⁺)
What is the chemical symbol for magnesium, a major element in groundwater?
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Which of the following is NOT a major element in groundwater?
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Sodium (Na⁺)
Potassium (K⁺)
Aluminum (Al³⁺)
Calcium (Ca²⁺)
Bicarbonate (HCO₃⁻) in groundwater is primarily derived from the dissolution of which mineral?
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Please Select
Calcite
Quartz
Gypsum
Halite
Which major element is commonly responsible for groundwater hardness?
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Calcium (Ca²⁺)
Iron (Fe²⁺)
Manganese (Mn²⁺)
Zinc (Zn²⁺)
What is the typical charge of sulfate, a major groundwater anion?
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Please Select
-1
-2
+1
0
Which of these is a major element that contributes to the total dissolved solids (TDS) in groundwater?
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Sodium (Na⁺)
Lead (Pb²⁺)
Silver (Ag⁺)
Gold (Au³⁺)
Name one major cation and one major anion found in groundwater.
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Which of the following best describes the main sources of major elements in groundwater?
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Weathering of rocks and minerals
Atmospheric deposition only
Industrial pollution only
Photosynthesis
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