Which of the following elements is a nonmetal?
A) At
B) Rh
C) Tc
D) Mo
E) Zr
Correct Answer:
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Q220: Which pair of atoms constitutes a pair
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Q224: Which element forms an ion with the
Q226: The name of the ionic compound NaBrO4
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Q229: Which species below is the nitrate ion?
A)NO2-
B)NO3-
C)ClO3-
D)ClO4-
E)MnO4-
Q230: The correct name for CaO is _.
A)calcium
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