Which of the following is an alkaline earth metal?
A) potassium
B) magnesium
C) iron
D) copper
E) sodium
Correct Answer:
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Q183: Which of the following is a metalloid?
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Q184: Which of the following is a metalloid?
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Q185: Which of the following is an alkali
Q186: Which of the following is not a
Q187: Which of the following isotopes has the
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